Home / 296,875.90-445,367.85-97,140.70

Finding the Fourth Proportional to 296,875.90, 445,367.85 and 97,140.70

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Solution

The fourth proportional to 296,875.90, 445,367.85 and 97,140.70 is: 145,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,875.90 : 445,367.85 = 97,140.70 : x
  2. Step 2: Convert to fraction form
    296,875.90/445,367.85 = 97,140.70/x
  3. Step 3: Cross multiply
    296,875.90x = 445,367.85 × 97,140.70
  4. Step 4: Simplify right side
    296,875.90x = 43,263,344,706.50
  5. Step 5: Solve for x
    x = 43,263,344,706.50/296,875.90
  6. Step 6: Final answer
    x = 145,728.72

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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.