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Finding the Fourth Proportional to 335,145.60, 502,718.40 and 185,308.76

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Solution

The fourth proportional to 335,145.60, 502,718.40 and 185,308.76 is: 277,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,145.60 : 502,718.40 = 185,308.76 : x
  2. Step 2: Convert to fraction form
    335,145.60/502,718.40 = 185,308.76/x
  3. Step 3: Cross multiply
    335,145.60x = 502,718.40 × 185,308.76
  4. Step 4: Simplify right side
    335,145.60x = 93,158,124,589.98
  5. Step 5: Solve for x
    x = 93,158,124,589.98/335,145.60
  6. Step 6: Final answer
    x = 277,963.14

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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.