Home / 307,311.77-461,029.62-129,818.50

Finding the Fourth Proportional to 307,311.77, 461,029.62 and 129,818.50

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Solution

The fourth proportional to 307,311.77, 461,029.62 and 129,818.50 is: 194,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,311.77 : 461,029.62 = 129,818.50 : x
  2. Step 2: Convert to fraction form
    307,311.77/461,029.62 = 129,818.50/x
  3. Step 3: Cross multiply
    307,311.77x = 461,029.62 × 129,818.50
  4. Step 4: Simplify right side
    307,311.77x = 59,850,173,058.22
  5. Step 5: Solve for x
    x = 59,850,173,058.22/307,311.77
  6. Step 6: Final answer
    x = 194,753.92

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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.