Home / 307,731.10-461,337.45-159,987.10

Finding the Fourth Proportional to 307,731.10, 461,337.45 and 159,987.10

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Solution

The fourth proportional to 307,731.10, 461,337.45 and 159,987.10 is: 239,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,731.10 : 461,337.45 = 159,987.10 : x
  2. Step 2: Convert to fraction form
    307,731.10/461,337.45 = 159,987.10/x
  3. Step 3: Cross multiply
    307,731.10x = 461,337.45 × 159,987.10
  4. Step 4: Simplify right side
    307,731.10x = 73,808,040,746.90
  5. Step 5: Solve for x
    x = 73,808,040,746.90/307,731.10
  6. Step 6: Final answer
    x = 239,845.89

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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.