Home / 350,459.20-525,631.28-97,756.88

Finding the Fourth Proportional to 350,459.20, 525,631.28 and 97,756.88

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Solution

The fourth proportional to 350,459.20, 525,631.28 and 97,756.88 is: 146,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,459.20 : 525,631.28 = 97,756.88 : x
  2. Step 2: Convert to fraction form
    350,459.20/525,631.28 = 97,756.88/x
  3. Step 3: Cross multiply
    350,459.20x = 525,631.28 × 97,756.88
  4. Step 4: Simplify right side
    350,459.20x = 51,384,073,963.21
  5. Step 5: Solve for x
    x = 51,384,073,963.21/350,459.20
  6. Step 6: Final answer
    x = 146,619.28

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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.