Home / 387,645.95-534,925.08-234,769.05

Finding the Fourth Proportional to 387,645.95, 534,925.08 and 234,769.05

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Solution

The fourth proportional to 387,645.95, 534,925.08 and 234,769.05 is: 323,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645.95 : 534,925.08 = 234,769.05 : x
  2. Step 2: Convert to fraction form
    387,645.95/534,925.08 = 234,769.05/x
  3. Step 3: Cross multiply
    387,645.95x = 534,925.08 × 234,769.05
  4. Step 4: Simplify right side
    387,645.95x = 125,583,852,852.77
  5. Step 5: Solve for x
    x = 125,583,852,852.77/387,645.95
  6. Step 6: Final answer
    x = 323,965.34

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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.