Home / 316,240.89-436,422.77-180,272.36

Finding the Fourth Proportional to 316,240.89, 436,422.77 and 180,272.36

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Solution

The fourth proportional to 316,240.89, 436,422.77 and 180,272.36 is: 248,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,240.89 : 436,422.77 = 180,272.36 : x
  2. Step 2: Convert to fraction form
    316,240.89/436,422.77 = 180,272.36/x
  3. Step 3: Cross multiply
    316,240.89x = 436,422.77 × 180,272.36
  4. Step 4: Simplify right side
    316,240.89x = 78,674,962,705.64
  5. Step 5: Solve for x
    x = 78,674,962,705.64/316,240.89
  6. Step 6: Final answer
    x = 248,781.75

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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.