Home / 210,002.60-315,006.30-52,231.40

Finding the Fourth Proportional to 210,002.60, 315,006.30 and 52,231.40

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Solution

The fourth proportional to 210,002.60, 315,006.30 and 52,231.40 is: 78,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.60 : 315,006.30 = 52,231.40 : x
  2. Step 2: Convert to fraction form
    210,002.60/315,006.30 = 52,231.40/x
  3. Step 3: Cross multiply
    210,002.60x = 315,006.30 × 52,231.40
  4. Step 4: Simplify right side
    210,002.60x = 16,453,220,057.82
  5. Step 5: Solve for x
    x = 16,453,220,057.82/210,002.60
  6. Step 6: Final answer
    x = 78,347.70

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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.