Home / 432,204.20-648,014.70-207,672.20

Finding the Fourth Proportional to 432,204.20, 648,014.70 and 207,672.20

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Solution

The fourth proportional to 432,204.20, 648,014.70 and 207,672.20 is: 311,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,204.20 : 648,014.70 = 207,672.20 : x
  2. Step 2: Convert to fraction form
    432,204.20/648,014.70 = 207,672.20/x
  3. Step 3: Cross multiply
    432,204.20x = 648,014.70 × 207,672.20
  4. Step 4: Simplify right side
    432,204.20x = 134,574,638,381.34
  5. Step 5: Solve for x
    x = 134,574,638,381.34/432,204.20
  6. Step 6: Final answer
    x = 311,368.19

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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.