Home / 296,875.40-445,367.10-97,140.20

Finding the Fourth Proportional to 296,875.40, 445,367.10 and 97,140.20

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Solution

The fourth proportional to 296,875.40, 445,367.10 and 97,140.20 is: 145,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,875.40 : 445,367.10 = 97,140.20 : x
  2. Step 2: Convert to fraction form
    296,875.40/445,367.10 = 97,140.20/x
  3. Step 3: Cross multiply
    296,875.40x = 445,367.10 × 97,140.20
  4. Step 4: Simplify right side
    296,875.40x = 43,263,049,167.42
  5. Step 5: Solve for x
    x = 43,263,049,167.42/296,875.40
  6. Step 6: Final answer
    x = 145,727.97

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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.