Home / 296,868.20-445,580.70-156,727.40

Finding the Fourth Proportional to 296,868.20, 445,580.70 and 156,727.40

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Solution

The fourth proportional to 296,868.20, 445,580.70 and 156,727.40 is: 235,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,868.20 : 445,580.70 = 156,727.40 : x
  2. Step 2: Convert to fraction form
    296,868.20/445,580.70 = 156,727.40/x
  3. Step 3: Cross multiply
    296,868.20x = 445,580.70 × 156,727.40
  4. Step 4: Simplify right side
    296,868.20x = 69,834,704,601.18
  5. Step 5: Solve for x
    x = 69,834,704,601.18/296,868.20
  6. Step 6: Final answer
    x = 235,238.08

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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.