Home / 315,526.39-473,182.28-102,236.48

Finding the Fourth Proportional to 315,526.39, 473,182.28 and 102,236.48

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Solution

The fourth proportional to 315,526.39, 473,182.28 and 102,236.48 is: 153,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,526.39 : 473,182.28 = 102,236.48 : x
  2. Step 2: Convert to fraction form
    315,526.39/473,182.28 = 102,236.48/x
  3. Step 3: Cross multiply
    315,526.39x = 473,182.28 × 102,236.48
  4. Step 4: Simplify right side
    315,526.39x = 48,376,490,273.84
  5. Step 5: Solve for x
    x = 48,376,490,273.84/315,526.39
  6. Step 6: Final answer
    x = 153,319.95

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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.