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Finding the Fourth Proportional to 334,715.80, 502,073.70 and 202,005.40

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Solution

The fourth proportional to 334,715.80, 502,073.70 and 202,005.40 is: 303,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,715.80 : 502,073.70 = 202,005.40 : x
  2. Step 2: Convert to fraction form
    334,715.80/502,073.70 = 202,005.40/x
  3. Step 3: Cross multiply
    334,715.80x = 502,073.70 × 202,005.40
  4. Step 4: Simplify right side
    334,715.80x = 101,421,598,597.98
  5. Step 5: Solve for x
    x = 101,421,598,597.98/334,715.80
  6. Step 6: Final answer
    x = 303,008.10

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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.