Home / 452,810.56-678,603.12-172,174.72

Finding the Fourth Proportional to 452,810.56, 678,603.12 and 172,174.72

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Solution

The fourth proportional to 452,810.56, 678,603.12 and 172,174.72 is: 258,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,810.56 : 678,603.12 = 172,174.72 : x
  2. Step 2: Convert to fraction form
    452,810.56/678,603.12 = 172,174.72/x
  3. Step 3: Cross multiply
    452,810.56x = 678,603.12 × 172,174.72
  4. Step 4: Simplify right side
    452,810.56x = 116,838,302,177.13
  5. Step 5: Solve for x
    x = 116,838,302,177.13/452,810.56
  6. Step 6: Final answer
    x = 258,029.10

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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.