Home / 316,302.80-436,491.06-173,062.40

Finding the Fourth Proportional to 316,302.80, 436,491.06 and 173,062.40

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Solution

The fourth proportional to 316,302.80, 436,491.06 and 173,062.40 is: 238,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,302.80 : 436,491.06 = 173,062.40 : x
  2. Step 2: Convert to fraction form
    316,302.80/436,491.06 = 173,062.40/x
  3. Step 3: Cross multiply
    316,302.80x = 436,491.06 × 173,062.40
  4. Step 4: Simplify right side
    316,302.80x = 75,540,190,422.14
  5. Step 5: Solve for x
    x = 75,540,190,422.14/316,302.80
  6. Step 6: Final answer
    x = 238,822.39

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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.