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Finding the Fourth Proportional to 240,393.18, 360,395.37 and 100,256.70

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Solution

The fourth proportional to 240,393.18, 360,395.37 and 100,256.70 is: 150,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,393.18 : 360,395.37 = 100,256.70 : x
  2. Step 2: Convert to fraction form
    240,393.18/360,395.37 = 100,256.70/x
  3. Step 3: Cross multiply
    240,393.18x = 360,395.37 × 100,256.70
  4. Step 4: Simplify right side
    240,393.18x = 36,132,050,491.48
  5. Step 5: Solve for x
    x = 36,132,050,491.48/240,393.18
  6. Step 6: Final answer
    x = 150,303.97

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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.