Home / 316,578.30-436,919.67-180,581.10

Finding the Fourth Proportional to 316,578.30, 436,919.67 and 180,581.10

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Solution

The fourth proportional to 316,578.30, 436,919.67 and 180,581.10 is: 249,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,578.30 : 436,919.67 = 180,581.10 : x
  2. Step 2: Convert to fraction form
    316,578.30/436,919.67 = 180,581.10/x
  3. Step 3: Cross multiply
    316,578.30x = 436,919.67 × 180,581.10
  4. Step 4: Simplify right side
    316,578.30x = 78,899,434,620.24
  5. Step 5: Solve for x
    x = 78,899,434,620.24/316,578.30
  6. Step 6: Final answer
    x = 249,225.66

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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.