Home / 316,026.74-436,010.08-179,964.21

Finding the Fourth Proportional to 316,026.74, 436,010.08 and 179,964.21

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Solution

The fourth proportional to 316,026.74, 436,010.08 and 179,964.21 is: 248,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,026.74 : 436,010.08 = 179,964.21 : x
  2. Step 2: Convert to fraction form
    316,026.74/436,010.08 = 179,964.21/x
  3. Step 3: Cross multiply
    316,026.74x = 436,010.08 × 179,964.21
  4. Step 4: Simplify right side
    316,026.74x = 78,466,207,189.89
  5. Step 5: Solve for x
    x = 78,466,207,189.89/316,026.74
  6. Step 6: Final answer
    x = 248,289.77

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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.