Home / 343,801.30-474,422.04-190,827.46

Finding the Fourth Proportional to 343,801.30, 474,422.04 and 190,827.46

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Solution

The fourth proportional to 343,801.30, 474,422.04 and 190,827.46 is: 263,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,801.30 : 474,422.04 = 190,827.46 : x
  2. Step 2: Convert to fraction form
    343,801.30/474,422.04 = 190,827.46/x
  3. Step 3: Cross multiply
    343,801.30x = 474,422.04 × 190,827.46
  4. Step 4: Simplify right side
    343,801.30x = 90,532,752,861.22
  5. Step 5: Solve for x
    x = 90,532,752,861.22/343,801.30
  6. Step 6: Final answer
    x = 263,328.71

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1.5x scale

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.