Home / 210,010.59-315,017.03-52,239.05

Finding the Fourth Proportional to 210,010.59, 315,017.03 and 52,239.05

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Solution

The fourth proportional to 210,010.59, 315,017.03 and 52,239.05 is: 78,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,010.59 : 315,017.03 = 52,239.05 : x
  2. Step 2: Convert to fraction form
    210,010.59/315,017.03 = 52,239.05/x
  3. Step 3: Cross multiply
    210,010.59x = 315,017.03 × 52,239.05
  4. Step 4: Simplify right side
    210,010.59x = 16,456,188,544.74
  5. Step 5: Solve for x
    x = 16,456,188,544.74/210,010.59
  6. Step 6: Final answer
    x = 78,358.85

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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.