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Finding the Fourth Proportional to 242,876.70, 364,315.05 and 227,130.30

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Solution

The fourth proportional to 242,876.70, 364,315.05 and 227,130.30 is: 340,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,876.70 : 364,315.05 = 227,130.30 : x
  2. Step 2: Convert to fraction form
    242,876.70/364,315.05 = 227,130.30/x
  3. Step 3: Cross multiply
    242,876.70x = 364,315.05 × 227,130.30
  4. Step 4: Simplify right side
    242,876.70x = 82,746,986,601.02
  5. Step 5: Solve for x
    x = 82,746,986,601.02/242,876.70
  6. Step 6: Final answer
    x = 340,695.45

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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.