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Finding the Fourth Proportional to 562,825.31, 844,248.76 and 207,656.51

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Solution

The fourth proportional to 562,825.31, 844,248.76 and 207,656.51 is: 311,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,825.31 : 844,248.76 = 207,656.51 : x
  2. Step 2: Convert to fraction form
    562,825.31/844,248.76 = 207,656.51/x
  3. Step 3: Cross multiply
    562,825.31x = 844,248.76 × 207,656.51
  4. Step 4: Simplify right side
    562,825.31x = 175,313,746,333.04
  5. Step 5: Solve for x
    x = 175,313,746,333.04/562,825.31
  6. Step 6: Final answer
    x = 311,488.74

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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.