Home / 314,718.06-434,310.66-171,479.28

Finding the Fourth Proportional to 314,718.06, 434,310.66 and 171,479.28

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Solution

The fourth proportional to 314,718.06, 434,310.66 and 171,479.28 is: 236,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,718.06 : 434,310.66 = 171,479.28 : x
  2. Step 2: Convert to fraction form
    314,718.06/434,310.66 = 171,479.28/x
  3. Step 3: Cross multiply
    314,718.06x = 434,310.66 × 171,479.28
  4. Step 4: Simplify right side
    314,718.06x = 74,475,279,273.12
  5. Step 5: Solve for x
    x = 74,475,279,273.12/314,718.06
  6. Step 6: Final answer
    x = 236,641.26

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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.