Home / 389,589.48-537,645.06-238,601.16

Finding the Fourth Proportional to 389,589.48, 537,645.06 and 238,601.16

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Solution

The fourth proportional to 389,589.48, 537,645.06 and 238,601.16 is: 329,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,589.48 : 537,645.06 = 238,601.16 : x
  2. Step 2: Convert to fraction form
    389,589.48/537,645.06 = 238,601.16/x
  3. Step 3: Cross multiply
    389,589.48x = 537,645.06 × 238,601.16
  4. Step 4: Simplify right side
    389,589.48x = 128,282,734,984.27
  5. Step 5: Solve for x
    x = 128,282,734,984.27/389,589.48
  6. Step 6: Final answer
    x = 329,276.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.