Home / 387,298.24-534,384.16-234,332.64

Finding the Fourth Proportional to 387,298.24, 534,384.16 and 234,332.64

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Solution

The fourth proportional to 387,298.24, 534,384.16 and 234,332.64 is: 323,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,298.24 : 534,384.16 = 234,332.64 : x
  2. Step 2: Convert to fraction form
    387,298.24/534,384.16 = 234,332.64/x
  3. Step 3: Cross multiply
    387,298.24x = 534,384.16 × 234,332.64
  4. Step 4: Simplify right side
    387,298.24x = 125,223,650,986.98
  5. Step 5: Solve for x
    x = 125,223,650,986.98/387,298.24
  6. Step 6: Final answer
    x = 323,326.16

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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.