Home / 210,002.98-315,005.61-52,231.43

Finding the Fourth Proportional to 210,002.98, 315,005.61 and 52,231.43

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Solution

The fourth proportional to 210,002.98, 315,005.61 and 52,231.43 is: 78,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.98 : 315,005.61 = 52,231.43 : x
  2. Step 2: Convert to fraction form
    210,002.98/315,005.61 = 52,231.43/x
  3. Step 3: Cross multiply
    210,002.98x = 315,005.61 × 52,231.43
  4. Step 4: Simplify right side
    210,002.98x = 16,453,193,468.32
  5. Step 5: Solve for x
    x = 16,453,193,468.32/210,002.98
  6. Step 6: Final answer
    x = 78,347.43

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1.5x scale

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.