Home / 316,305.45-436,490.67-180,383.19

Finding the Fourth Proportional to 316,305.45, 436,490.67 and 180,383.19

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Solution

The fourth proportional to 316,305.45, 436,490.67 and 180,383.19 is: 248,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,305.45 : 436,490.67 = 180,383.19 : x
  2. Step 2: Convert to fraction form
    316,305.45/436,490.67 = 180,383.19/x
  3. Step 3: Cross multiply
    316,305.45x = 436,490.67 × 180,383.19
  4. Step 4: Simplify right side
    316,305.45x = 78,735,579,459.84
  5. Step 5: Solve for x
    x = 78,735,579,459.84/316,305.45
  6. Step 6: Final answer
    x = 248,922.61

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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.