Home / 245,061.20-367,807.80-145,096.40

Finding the Fourth Proportional to 245,061.20, 367,807.80 and 145,096.40

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Solution

The fourth proportional to 245,061.20, 367,807.80 and 145,096.40 is: 217,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,061.20 : 367,807.80 = 145,096.40 : x
  2. Step 2: Convert to fraction form
    245,061.20/367,807.80 = 145,096.40/x
  3. Step 3: Cross multiply
    245,061.20x = 367,807.80 × 145,096.40
  4. Step 4: Simplify right side
    245,061.20x = 53,367,587,671.92
  5. Step 5: Solve for x
    x = 53,367,587,671.92/245,061.20
  6. Step 6: Final answer
    x = 217,772.49

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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.