Home / 319,548.06-440,969.13-176,321.70

Finding the Fourth Proportional to 319,548.06, 440,969.13 and 176,321.70

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Solution

The fourth proportional to 319,548.06, 440,969.13 and 176,321.70 is: 243,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,548.06 : 440,969.13 = 176,321.70 : x
  2. Step 2: Convert to fraction form
    319,548.06/440,969.13 = 176,321.70/x
  3. Step 3: Cross multiply
    319,548.06x = 440,969.13 × 176,321.70
  4. Step 4: Simplify right side
    319,548.06x = 77,752,426,649.12
  5. Step 5: Solve for x
    x = 77,752,426,649.12/319,548.06
  6. Step 6: Final answer
    x = 243,319.98

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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.