Home / 210,376.28-315,564.36-52,604.72

Finding the Fourth Proportional to 210,376.28, 315,564.36 and 52,604.72

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Solution

The fourth proportional to 210,376.28, 315,564.36 and 52,604.72 is: 78,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,376.28 : 315,564.36 = 52,604.72 : x
  2. Step 2: Convert to fraction form
    210,376.28/315,564.36 = 52,604.72/x
  3. Step 3: Cross multiply
    210,376.28x = 315,564.36 × 52,604.72
  4. Step 4: Simplify right side
    210,376.28x = 16,600,173,221.96
  5. Step 5: Solve for x
    x = 16,600,173,221.96/210,376.28
  6. Step 6: Final answer
    x = 78,907.06

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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.