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Finding the Fourth Proportional to 240,287.60, 331,584.60 and 134,303.60

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Solution

The fourth proportional to 240,287.60, 331,584.60 and 134,303.60 is: 185,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,287.60 : 331,584.60 = 134,303.60 : x
  2. Step 2: Convert to fraction form
    240,287.60/331,584.60 = 134,303.60/x
  3. Step 3: Cross multiply
    240,287.60x = 331,584.60 × 134,303.60
  4. Step 4: Simplify right side
    240,287.60x = 44,533,005,484.56
  5. Step 5: Solve for x
    x = 44,533,005,484.56/240,287.60
  6. Step 6: Final answer
    x = 185,332.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.