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Finding the Fourth Proportional to 350,031.13, 525,046.69 and 100,713.13

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Solution

The fourth proportional to 350,031.13, 525,046.69 and 100,713.13 is: 151,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,031.13 : 525,046.69 = 100,713.13 : x
  2. Step 2: Convert to fraction form
    350,031.13/525,046.69 = 100,713.13/x
  3. Step 3: Cross multiply
    350,031.13x = 525,046.69 × 100,713.13
  4. Step 4: Simplify right side
    350,031.13x = 52,879,095,546.04
  5. Step 5: Solve for x
    x = 52,879,095,546.04/350,031.13
  6. Step 6: Final answer
    x = 151,069.69

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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.