Home / 319,552.02-440,981.82-176,312.43

Finding the Fourth Proportional to 319,552.02, 440,981.82 and 176,312.43

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Solution

The fourth proportional to 319,552.02, 440,981.82 and 176,312.43 is: 243,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,552.02 : 440,981.82 = 176,312.43 : x
  2. Step 2: Convert to fraction form
    319,552.02/440,981.82 = 176,312.43/x
  3. Step 3: Cross multiply
    319,552.02x = 440,981.82 × 176,312.43
  4. Step 4: Simplify right side
    319,552.02x = 77,750,576,270.02
  5. Step 5: Solve for x
    x = 77,750,576,270.02/319,552.02
  6. Step 6: Final answer
    x = 243,311.17

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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.