Home / 266,275.13-367,462.61-145,419.98

Finding the Fourth Proportional to 266,275.13, 367,462.61 and 145,419.98

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Solution

The fourth proportional to 266,275.13, 367,462.61 and 145,419.98 is: 200,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,275.13 : 367,462.61 = 145,419.98 : x
  2. Step 2: Convert to fraction form
    266,275.13/367,462.61 = 145,419.98/x
  3. Step 3: Cross multiply
    266,275.13x = 367,462.61 × 145,419.98
  4. Step 4: Simplify right side
    266,275.13x = 53,436,402,832.53
  5. Step 5: Solve for x
    x = 53,436,402,832.53/266,275.13
  6. Step 6: Final answer
    x = 200,681.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.