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Finding the Fourth Proportional to 355,241.60, 532,862.40 and 275,926.40

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Solution

The fourth proportional to 355,241.60, 532,862.40 and 275,926.40 is: 413,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,241.60 : 532,862.40 = 275,926.40 : x
  2. Step 2: Convert to fraction form
    355,241.60/532,862.40 = 275,926.40/x
  3. Step 3: Cross multiply
    355,241.60x = 532,862.40 × 275,926.40
  4. Step 4: Simplify right side
    355,241.60x = 147,030,803,727.36
  5. Step 5: Solve for x
    x = 147,030,803,727.36/355,241.60
  6. Step 6: Final answer
    x = 413,889.60

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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.