Home / 210,042.60-315,063.24-52,271.16

Finding the Fourth Proportional to 210,042.60, 315,063.24 and 52,271.16

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Solution

The fourth proportional to 210,042.60, 315,063.24 and 52,271.16 is: 78,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,042.60 : 315,063.24 = 52,271.16 : x
  2. Step 2: Convert to fraction form
    210,042.60/315,063.24 = 52,271.16/x
  3. Step 3: Cross multiply
    210,042.60x = 315,063.24 × 52,271.16
  4. Step 4: Simplify right side
    210,042.60x = 16,468,721,028.16
  5. Step 5: Solve for x
    x = 16,468,721,028.16/210,042.60
  6. Step 6: Final answer
    x = 78,406.58

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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.