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Finding the Fourth Proportional to 473,384.90, 710,077.45 and 118,398.95

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Solution

The fourth proportional to 473,384.90, 710,077.45 and 118,398.95 is: 177,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,384.90 : 710,077.45 = 118,398.95 : x
  2. Step 2: Convert to fraction form
    473,384.90/710,077.45 = 118,398.95/x
  3. Step 3: Cross multiply
    473,384.90x = 710,077.45 × 118,398.95
  4. Step 4: Simplify right side
    473,384.90x = 84,072,425,977.87
  5. Step 5: Solve for x
    x = 84,072,425,977.87/473,384.90
  6. Step 6: Final answer
    x = 177,598.46

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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.