Home / 432,005.40-648,008.10-151,486.20

Finding the Fourth Proportional to 432,005.40, 648,008.10 and 151,486.20

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Solution

The fourth proportional to 432,005.40, 648,008.10 and 151,486.20 is: 227,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,005.40 : 648,008.10 = 151,486.20 : x
  2. Step 2: Convert to fraction form
    432,005.40/648,008.10 = 151,486.20/x
  3. Step 3: Cross multiply
    432,005.40x = 648,008.10 × 151,486.20
  4. Step 4: Simplify right side
    432,005.40x = 98,164,284,638.22
  5. Step 5: Solve for x
    x = 98,164,284,638.22/432,005.40
  6. Step 6: Final answer
    x = 227,229.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.