Home / 307,519.40-461,279.10-181,548.20

Finding the Fourth Proportional to 307,519.40, 461,279.10 and 181,548.20

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Solution

The fourth proportional to 307,519.40, 461,279.10 and 181,548.20 is: 272,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,519.40 : 461,279.10 = 181,548.20 : x
  2. Step 2: Convert to fraction form
    307,519.40/461,279.10 = 181,548.20/x
  3. Step 3: Cross multiply
    307,519.40x = 461,279.10 × 181,548.20
  4. Step 4: Simplify right side
    307,519.40x = 83,744,390,302.62
  5. Step 5: Solve for x
    x = 83,744,390,302.62/307,519.40
  6. Step 6: Final answer
    x = 272,322.30

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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.