Home / 369,682.62-554,621.13-145,056.66

Finding the Fourth Proportional to 369,682.62, 554,621.13 and 145,056.66

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Solution

The fourth proportional to 369,682.62, 554,621.13 and 145,056.66 is: 217,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,682.62 : 554,621.13 = 145,056.66 : x
  2. Step 2: Convert to fraction form
    369,682.62/554,621.13 = 145,056.66/x
  3. Step 3: Cross multiply
    369,682.62x = 554,621.13 × 145,056.66
  4. Step 4: Simplify right side
    369,682.62x = 80,451,488,683.23
  5. Step 5: Solve for x
    x = 80,451,488,683.23/369,682.62
  6. Step 6: Final answer
    x = 217,623.13

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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.