Home / 440,085.28-660,095.12-140,597.50

Finding the Fourth Proportional to 440,085.28, 660,095.12 and 140,597.50

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Solution

The fourth proportional to 440,085.28, 660,095.12 and 140,597.50 is: 210,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,085.28 : 660,095.12 = 140,597.50 : x
  2. Step 2: Convert to fraction form
    440,085.28/660,095.12 = 140,597.50/x
  3. Step 3: Cross multiply
    440,085.28x = 660,095.12 × 140,597.50
  4. Step 4: Simplify right side
    440,085.28x = 92,807,722,931.21
  5. Step 5: Solve for x
    x = 92,807,722,931.21/440,085.28
  6. Step 6: Final answer
    x = 210,885.77

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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.