Home / 430,262.14-645,475.29-164,000.38

Finding the Fourth Proportional to 430,262.14, 645,475.29 and 164,000.38

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Solution

The fourth proportional to 430,262.14, 645,475.29 and 164,000.38 is: 246,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,262.14 : 645,475.29 = 164,000.38 : x
  2. Step 2: Convert to fraction form
    430,262.14/645,475.29 = 164,000.38/x
  3. Step 3: Cross multiply
    430,262.14x = 645,475.29 × 164,000.38
  4. Step 4: Simplify right side
    430,262.14x = 105,858,192,840.61
  5. Step 5: Solve for x
    x = 105,858,192,840.61/430,262.14
  6. Step 6: Final answer
    x = 246,031.86

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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.