Home / 291,498.84-437,263.86-91,834.80

Finding the Fourth Proportional to 291,498.84, 437,263.86 and 91,834.80

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Solution

The fourth proportional to 291,498.84, 437,263.86 and 91,834.80 is: 137,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,498.84 : 437,263.86 = 91,834.80 : x
  2. Step 2: Convert to fraction form
    291,498.84/437,263.86 = 91,834.80/x
  3. Step 3: Cross multiply
    291,498.84x = 437,263.86 × 91,834.80
  4. Step 4: Simplify right side
    291,498.84x = 40,156,039,130.33
  5. Step 5: Solve for x
    x = 40,156,039,130.33/291,498.84
  6. Step 6: Final answer
    x = 137,757.11

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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.