Home / 317,948.95-438,769.47-174,718.27

Finding the Fourth Proportional to 317,948.95, 438,769.47 and 174,718.27

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Solution

The fourth proportional to 317,948.95, 438,769.47 and 174,718.27 is: 241,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,948.95 : 438,769.47 = 174,718.27 : x
  2. Step 2: Convert to fraction form
    317,948.95/438,769.47 = 174,718.27/x
  3. Step 3: Cross multiply
    317,948.95x = 438,769.47 × 174,718.27
  4. Step 4: Simplify right side
    317,948.95x = 76,661,042,727.22
  5. Step 5: Solve for x
    x = 76,661,042,727.22/317,948.95
  6. Step 6: Final answer
    x = 241,111.17

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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.