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Finding the Fourth Proportional to 369,616.72, 510,068.60 and 208,473.08

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Solution

The fourth proportional to 369,616.72, 510,068.60 and 208,473.08 is: 287,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,616.72 : 510,068.60 = 208,473.08 : x
  2. Step 2: Convert to fraction form
    369,616.72/510,068.60 = 208,473.08/x
  3. Step 3: Cross multiply
    369,616.72x = 510,068.60 × 208,473.08
  4. Step 4: Simplify right side
    369,616.72x = 106,335,572,053.29
  5. Step 5: Solve for x
    x = 106,335,572,053.29/369,616.72
  6. Step 6: Final answer
    x = 287,691.46

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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.