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Finding the Fourth Proportional to 356,658.94, 535,220.24 and 154,452.52

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Solution

The fourth proportional to 356,658.94, 535,220.24 and 154,452.52 is: 231,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,658.94 : 535,220.24 = 154,452.52 : x
  2. Step 2: Convert to fraction form
    356,658.94/535,220.24 = 154,452.52/x
  3. Step 3: Cross multiply
    356,658.94x = 535,220.24 × 154,452.52
  4. Step 4: Simplify right side
    356,658.94x = 82,666,112,712.69
  5. Step 5: Solve for x
    x = 82,666,112,712.69/356,658.94
  6. Step 6: Final answer
    x = 231,779.17

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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.