Home / 210,057.08-315,084-52,284.48

Finding the Fourth Proportional to 210,057.08, 315,084 and 52,284.48

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Solution

The fourth proportional to 210,057.08, 315,084 and 52,284.48 is: 78,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,057.08 : 315,084 = 52,284.48 : x
  2. Step 2: Convert to fraction form
    210,057.08/315,084 = 52,284.48/x
  3. Step 3: Cross multiply
    210,057.08x = 315,084 × 52,284.48
  4. Step 4: Simplify right side
    210,057.08x = 16,474,003,096.32
  5. Step 5: Solve for x
    x = 16,474,003,096.32/210,057.08
  6. Step 6: Final answer
    x = 78,426.32

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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.