Home / 210,002.48-315,004.86-52,230.93

Finding the Fourth Proportional to 210,002.48, 315,004.86 and 52,230.93

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Solution

The fourth proportional to 210,002.48, 315,004.86 and 52,230.93 is: 78,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.48 : 315,004.86 = 52,230.93 : x
  2. Step 2: Convert to fraction form
    210,002.48/315,004.86 = 52,230.93/x
  3. Step 3: Cross multiply
    210,002.48x = 315,004.86 × 52,230.93
  4. Step 4: Simplify right side
    210,002.48x = 16,452,996,531.17
  5. Step 5: Solve for x
    x = 16,452,996,531.17/210,002.48
  6. Step 6: Final answer
    x = 78,346.68

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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.