Home / 442,905.90-664,358.85-162,386.70

Finding the Fourth Proportional to 442,905.90, 664,358.85 and 162,386.70

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Solution

The fourth proportional to 442,905.90, 664,358.85 and 162,386.70 is: 243,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,905.90 : 664,358.85 = 162,386.70 : x
  2. Step 2: Convert to fraction form
    442,905.90/664,358.85 = 162,386.70/x
  3. Step 3: Cross multiply
    442,905.90x = 664,358.85 × 162,386.70
  4. Step 4: Simplify right side
    442,905.90x = 107,883,041,267.30
  5. Step 5: Solve for x
    x = 107,883,041,267.30/442,905.90
  6. Step 6: Final answer
    x = 243,580.05

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1.5x scale

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.