Home / 457,927.04-686,405.75-154,031.89

Finding the Fourth Proportional to 457,927.04, 686,405.75 and 154,031.89

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Solution

The fourth proportional to 457,927.04, 686,405.75 and 154,031.89 is: 230,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,927.04 : 686,405.75 = 154,031.89 : x
  2. Step 2: Convert to fraction form
    457,927.04/686,405.75 = 154,031.89/x
  3. Step 3: Cross multiply
    457,927.04x = 686,405.75 × 154,031.89
  4. Step 4: Simplify right side
    457,927.04x = 105,728,375,364.45
  5. Step 5: Solve for x
    x = 105,728,375,364.45/457,927.04
  6. Step 6: Final answer
    x = 230,884.76

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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.