Home / 432,926.40-649,389.60-152,407.20

Finding the Fourth Proportional to 432,926.40, 649,389.60 and 152,407.20

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Solution

The fourth proportional to 432,926.40, 649,389.60 and 152,407.20 is: 228,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,926.40 : 649,389.60 = 152,407.20 : x
  2. Step 2: Convert to fraction form
    432,926.40/649,389.60 = 152,407.20/x
  3. Step 3: Cross multiply
    432,926.40x = 649,389.60 × 152,407.20
  4. Step 4: Simplify right side
    432,926.40x = 98,971,650,645.12
  5. Step 5: Solve for x
    x = 98,971,650,645.12/432,926.40
  6. Step 6: Final answer
    x = 228,610.80

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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.