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Finding the Fourth Proportional to 371,508.54, 512,646.30 and 210,332.13

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Solution

The fourth proportional to 371,508.54, 512,646.30 and 210,332.13 is: 290,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,508.54 : 512,646.30 = 210,332.13 : x
  2. Step 2: Convert to fraction form
    371,508.54/512,646.30 = 210,332.13/x
  3. Step 3: Cross multiply
    371,508.54x = 512,646.30 × 210,332.13
  4. Step 4: Simplify right side
    371,508.54x = 107,825,988,215.62
  5. Step 5: Solve for x
    x = 107,825,988,215.62/371,508.54
  6. Step 6: Final answer
    x = 290,238.25

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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.