Home / 475,157.20-655,191.36-302,802.04

Finding the Fourth Proportional to 475,157.20, 655,191.36 and 302,802.04

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Solution

The fourth proportional to 475,157.20, 655,191.36 and 302,802.04 is: 417,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,157.20 : 655,191.36 = 302,802.04 : x
  2. Step 2: Convert to fraction form
    475,157.20/655,191.36 = 302,802.04/x
  3. Step 3: Cross multiply
    475,157.20x = 655,191.36 × 302,802.04
  4. Step 4: Simplify right side
    475,157.20x = 198,393,280,398.37
  5. Step 5: Solve for x
    x = 198,393,280,398.37/475,157.20
  6. Step 6: Final answer
    x = 417,531.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.