Home / 607,949.12-911,977.14-158,666.42

Finding the Fourth Proportional to 607,949.12, 911,977.14 and 158,666.42

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Solution

The fourth proportional to 607,949.12, 911,977.14 and 158,666.42 is: 238,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,949.12 : 911,977.14 = 158,666.42 : x
  2. Step 2: Convert to fraction form
    607,949.12/911,977.14 = 158,666.42/x
  3. Step 3: Cross multiply
    607,949.12x = 911,977.14 × 158,666.42
  4. Step 4: Simplify right side
    607,949.12x = 144,700,147,925.64
  5. Step 5: Solve for x
    x = 144,700,147,925.64/607,949.12
  6. Step 6: Final answer
    x = 238,013.58

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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.