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Finding the Fourth Proportional to 240,014.40, 359,935.20 and 121,646.40

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Solution

The fourth proportional to 240,014.40, 359,935.20 and 121,646.40 is: 182,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,014.40 : 359,935.20 = 121,646.40 : x
  2. Step 2: Convert to fraction form
    240,014.40/359,935.20 = 121,646.40/x
  3. Step 3: Cross multiply
    240,014.40x = 359,935.20 × 121,646.40
  4. Step 4: Simplify right side
    240,014.40x = 43,784,821,313.28
  5. Step 5: Solve for x
    x = 43,784,821,313.28/240,014.40
  6. Step 6: Final answer
    x = 182,425.81

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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.