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Finding the Fourth Proportional to 335,065.80, 502,425.90 and 124,595.40

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Solution

The fourth proportional to 335,065.80, 502,425.90 and 124,595.40 is: 186,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,065.80 : 502,425.90 = 124,595.40 : x
  2. Step 2: Convert to fraction form
    335,065.80/502,425.90 = 124,595.40/x
  3. Step 3: Cross multiply
    335,065.80x = 502,425.90 × 124,595.40
  4. Step 4: Simplify right side
    335,065.80x = 62,599,955,980.86
  5. Step 5: Solve for x
    x = 62,599,955,980.86/335,065.80
  6. Step 6: Final answer
    x = 186,828.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.