Home / 317,931.73-438,744.54-181,965.13

Finding the Fourth Proportional to 317,931.73, 438,744.54 and 181,965.13

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Solution

The fourth proportional to 317,931.73, 438,744.54 and 181,965.13 is: 251,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,931.73 : 438,744.54 = 181,965.13 : x
  2. Step 2: Convert to fraction form
    317,931.73/438,744.54 = 181,965.13/x
  3. Step 3: Cross multiply
    317,931.73x = 438,744.54 × 181,965.13
  4. Step 4: Simplify right side
    317,931.73x = 79,836,207,257.89
  5. Step 5: Solve for x
    x = 79,836,207,257.89/317,931.73
  6. Step 6: Final answer
    x = 251,111.17

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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.