Home / 395,643.92-593,493-158,986.22

Finding the Fourth Proportional to 395,643.92, 593,493 and 158,986.22

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Solution

The fourth proportional to 395,643.92, 593,493 and 158,986.22 is: 238,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,643.92 : 593,493 = 158,986.22 : x
  2. Step 2: Convert to fraction form
    395,643.92/593,493 = 158,986.22/x
  3. Step 3: Cross multiply
    395,643.92x = 593,493 × 158,986.22
  4. Step 4: Simplify right side
    395,643.92x = 94,357,208,666.46
  5. Step 5: Solve for x
    x = 94,357,208,666.46/395,643.92
  6. Step 6: Final answer
    x = 238,490.23

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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.