Home / 315,679.03-473,395.72-102,395.36

Finding the Fourth Proportional to 315,679.03, 473,395.72 and 102,395.36

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Solution

The fourth proportional to 315,679.03, 473,395.72 and 102,395.36 is: 153,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,679.03 : 473,395.72 = 102,395.36 : x
  2. Step 2: Convert to fraction form
    315,679.03/473,395.72 = 102,395.36/x
  3. Step 3: Cross multiply
    315,679.03x = 473,395.72 × 102,395.36
  4. Step 4: Simplify right side
    315,679.03x = 48,473,526,099.36
  5. Step 5: Solve for x
    x = 48,473,526,099.36/315,679.03
  6. Step 6: Final answer
    x = 153,553.20

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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.