Home / 469,430.25-647,807.61-254,569.20

Finding the Fourth Proportional to 469,430.25, 647,807.61 and 254,569.20

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Solution

The fourth proportional to 469,430.25, 647,807.61 and 254,569.20 is: 351,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,430.25 : 647,807.61 = 254,569.20 : x
  2. Step 2: Convert to fraction form
    469,430.25/647,807.61 = 254,569.20/x
  3. Step 3: Cross multiply
    469,430.25x = 647,807.61 × 254,569.20
  4. Step 4: Simplify right side
    469,430.25x = 164,911,865,031.61
  5. Step 5: Solve for x
    x = 164,911,865,031.61/469,430.25
  6. Step 6: Final answer
    x = 351,302.17

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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.