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Finding the Fourth Proportional to 453,702.84, 680,657.54 and 138,184.35

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Solution

The fourth proportional to 453,702.84, 680,657.54 and 138,184.35 is: 207,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,702.84 : 680,657.54 = 138,184.35 : x
  2. Step 2: Convert to fraction form
    453,702.84/680,657.54 = 138,184.35/x
  3. Step 3: Cross multiply
    453,702.84x = 680,657.54 × 138,184.35
  4. Step 4: Simplify right side
    453,702.84x = 94,056,219,046.58
  5. Step 5: Solve for x
    x = 94,056,219,046.58/453,702.84
  6. Step 6: Final answer
    x = 207,307.98

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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.