Home / 209,928.24-314,899.92-52,157.52

Finding the Fourth Proportional to 209,928.24, 314,899.92 and 52,157.52

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Solution

The fourth proportional to 209,928.24, 314,899.92 and 52,157.52 is: 78,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928.24 : 314,899.92 = 52,157.52 : x
  2. Step 2: Convert to fraction form
    209,928.24/314,899.92 = 52,157.52/x
  3. Step 3: Cross multiply
    209,928.24x = 314,899.92 × 52,157.52
  4. Step 4: Simplify right side
    209,928.24x = 16,424,398,875.40
  5. Step 5: Solve for x
    x = 16,424,398,875.40/209,928.24
  6. Step 6: Final answer
    x = 78,238.16

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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.