Home / 291,868.10-437,815.27-89,449.38

Finding the Fourth Proportional to 291,868.10, 437,815.27 and 89,449.38

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Solution

The fourth proportional to 291,868.10, 437,815.27 and 89,449.38 is: 134,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,868.10 : 437,815.27 = 89,449.38 : x
  2. Step 2: Convert to fraction form
    291,868.10/437,815.27 = 89,449.38/x
  3. Step 3: Cross multiply
    291,868.10x = 437,815.27 × 89,449.38
  4. Step 4: Simplify right side
    291,868.10x = 39,162,301,819.71
  5. Step 5: Solve for x
    x = 39,162,301,819.71/291,868.10
  6. Step 6: Final answer
    x = 134,178.08

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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.