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Finding the Fourth Proportional to 360,560.59, 540,459.52 and 135,823.77

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Solution

The fourth proportional to 360,560.59, 540,459.52 and 135,823.77 is: 203,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,560.59 : 540,459.52 = 135,823.77 : x
  2. Step 2: Convert to fraction form
    360,560.59/540,459.52 = 135,823.77/x
  3. Step 3: Cross multiply
    360,560.59x = 540,459.52 × 135,823.77
  4. Step 4: Simplify right side
    360,560.59x = 73,407,249,199.23
  5. Step 5: Solve for x
    x = 73,407,249,199.23/360,560.59
  6. Step 6: Final answer
    x = 203,591.99

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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.