Home / 210,007.28-315,010.31-52,235.74

Finding the Fourth Proportional to 210,007.28, 315,010.31 and 52,235.74

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Solution

The fourth proportional to 210,007.28, 315,010.31 and 52,235.74 is: 78,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.28 : 315,010.31 = 52,235.74 : x
  2. Step 2: Convert to fraction form
    210,007.28/315,010.31 = 52,235.74/x
  3. Step 3: Cross multiply
    210,007.28x = 315,010.31 × 52,235.74
  4. Step 4: Simplify right side
    210,007.28x = 16,454,796,650.48
  5. Step 5: Solve for x
    x = 16,454,796,650.48/210,007.28
  6. Step 6: Final answer
    x = 78,353.46

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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.