Home / 210,048.60-315,072.24-52,277.10

Finding the Fourth Proportional to 210,048.60, 315,072.24 and 52,277.10

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Solution

The fourth proportional to 210,048.60, 315,072.24 and 52,277.10 is: 78,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,048.60 : 315,072.24 = 52,277.10 : x
  2. Step 2: Convert to fraction form
    210,048.60/315,072.24 = 52,277.10/x
  3. Step 3: Cross multiply
    210,048.60x = 315,072.24 × 52,277.10
  4. Step 4: Simplify right side
    210,048.60x = 16,471,062,997.70
  5. Step 5: Solve for x
    x = 16,471,062,997.70/210,048.60
  6. Step 6: Final answer
    x = 78,415.49

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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.