Home / 386,200.08-532,955.28-235,297.20

Finding the Fourth Proportional to 386,200.08, 532,955.28 and 235,297.20

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Solution

The fourth proportional to 386,200.08, 532,955.28 and 235,297.20 is: 324,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,200.08 : 532,955.28 = 235,297.20 : x
  2. Step 2: Convert to fraction form
    386,200.08/532,955.28 = 235,297.20/x
  3. Step 3: Cross multiply
    386,200.08x = 532,955.28 × 235,297.20
  4. Step 4: Simplify right side
    386,200.08x = 125,402,885,109.22
  5. Step 5: Solve for x
    x = 125,402,885,109.22/386,200.08
  6. Step 6: Final answer
    x = 324,709.63

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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.