Home / 239,385.30-330,341.67-153,222.90

Finding the Fourth Proportional to 239,385.30, 330,341.67 and 153,222.90

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Solution

The fourth proportional to 239,385.30, 330,341.67 and 153,222.90 is: 211,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,385.30 : 330,341.67 = 153,222.90 : x
  2. Step 2: Convert to fraction form
    239,385.30/330,341.67 = 153,222.90/x
  3. Step 3: Cross multiply
    239,385.30x = 330,341.67 × 153,222.90
  4. Step 4: Simplify right side
    239,385.30x = 50,615,908,668.24
  5. Step 5: Solve for x
    x = 50,615,908,668.24/239,385.30
  6. Step 6: Final answer
    x = 211,441.17

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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.