Home / 472,217.28-651,643.32-257,353.04

Finding the Fourth Proportional to 472,217.28, 651,643.32 and 257,353.04

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Solution

The fourth proportional to 472,217.28, 651,643.32 and 257,353.04 is: 355,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,217.28 : 651,643.32 = 257,353.04 : x
  2. Step 2: Convert to fraction form
    472,217.28/651,643.32 = 257,353.04/x
  3. Step 3: Cross multiply
    472,217.28x = 651,643.32 × 257,353.04
  4. Step 4: Simplify right side
    472,217.28x = 167,702,389,397.69
  5. Step 5: Solve for x
    x = 167,702,389,397.69/472,217.28
  6. Step 6: Final answer
    x = 355,138.19

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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.