Home / 334,121.55-499,985.10-289,297.55

Finding the Fourth Proportional to 334,121.55, 499,985.10 and 289,297.55

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Solution

The fourth proportional to 334,121.55, 499,985.10 and 289,297.55 is: 432,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,121.55 : 499,985.10 = 289,297.55 : x
  2. Step 2: Convert to fraction form
    334,121.55/499,985.10 = 289,297.55/x
  3. Step 3: Cross multiply
    334,121.55x = 499,985.10 × 289,297.55
  4. Step 4: Simplify right side
    334,121.55x = 144,644,460,520.09
  5. Step 5: Solve for x
    x = 144,644,460,520.09/334,121.55
  6. Step 6: Final answer
    x = 432,909.70

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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.