Home / 357,624.45-536,437.08-91,385.19

Finding the Fourth Proportional to 357,624.45, 536,437.08 and 91,385.19

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Solution

The fourth proportional to 357,624.45, 536,437.08 and 91,385.19 is: 137,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,624.45 : 536,437.08 = 91,385.19 : x
  2. Step 2: Convert to fraction form
    357,624.45/536,437.08 = 91,385.19/x
  3. Step 3: Cross multiply
    357,624.45x = 536,437.08 × 91,385.19
  4. Step 4: Simplify right side
    357,624.45x = 49,022,404,478.85
  5. Step 5: Solve for x
    x = 49,022,404,478.85/357,624.45
  6. Step 6: Final answer
    x = 137,077.89

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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.