Home / 315,949.52-473,924.28-105,587.46

Finding the Fourth Proportional to 315,949.52, 473,924.28 and 105,587.46

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Solution

The fourth proportional to 315,949.52, 473,924.28 and 105,587.46 is: 158,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,949.52 : 473,924.28 = 105,587.46 : x
  2. Step 2: Convert to fraction form
    315,949.52/473,924.28 = 105,587.46/x
  3. Step 3: Cross multiply
    315,949.52x = 473,924.28 × 105,587.46
  4. Step 4: Simplify right side
    315,949.52x = 50,040,460,957.53
  5. Step 5: Solve for x
    x = 50,040,460,957.53/315,949.52
  6. Step 6: Final answer
    x = 158,381.19

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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.