Home / 266,790.36-400,206.58-89,298.02

Finding the Fourth Proportional to 266,790.36, 400,206.58 and 89,298.02

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Solution

The fourth proportional to 266,790.36, 400,206.58 and 89,298.02 is: 133,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,790.36 : 400,206.58 = 89,298.02 : x
  2. Step 2: Convert to fraction form
    266,790.36/400,206.58 = 89,298.02/x
  3. Step 3: Cross multiply
    266,790.36x = 400,206.58 × 89,298.02
  4. Step 4: Simplify right side
    266,790.36x = 35,737,655,184.97
  5. Step 5: Solve for x
    x = 35,737,655,184.97/266,790.36
  6. Step 6: Final answer
    x = 133,954.07

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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.