Home / 313,856.10-433,116.32-170,619.75

Finding the Fourth Proportional to 313,856.10, 433,116.32 and 170,619.75

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Solution

The fourth proportional to 313,856.10, 433,116.32 and 170,619.75 is: 235,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,856.10 : 433,116.32 = 170,619.75 : x
  2. Step 2: Convert to fraction form
    313,856.10/433,116.32 = 170,619.75/x
  3. Step 3: Cross multiply
    313,856.10x = 433,116.32 × 170,619.75
  4. Step 4: Simplify right side
    313,856.10x = 73,898,197,386.22
  5. Step 5: Solve for x
    x = 73,898,197,386.22/313,856.10
  6. Step 6: Final answer
    x = 235,452.48

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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.