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Finding the Fourth Proportional to 502,151.34, 692,965.71 and 300,947.34

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Solution

The fourth proportional to 502,151.34, 692,965.71 and 300,947.34 is: 415,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,151.34 : 692,965.71 = 300,947.34 : x
  2. Step 2: Convert to fraction form
    502,151.34/692,965.71 = 300,947.34/x
  3. Step 3: Cross multiply
    502,151.34x = 692,965.71 × 300,947.34
  4. Step 4: Simplify right side
    502,151.34x = 208,546,187,135.71
  5. Step 5: Solve for x
    x = 208,546,187,135.71/502,151.34
  6. Step 6: Final answer
    x = 415,305.45

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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.