Home / 313,795.80-433,038.28-170,555.88

Finding the Fourth Proportional to 313,795.80, 433,038.28 and 170,555.88

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Solution

The fourth proportional to 313,795.80, 433,038.28 and 170,555.88 is: 235,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,795.80 : 433,038.28 = 170,555.88 : x
  2. Step 2: Convert to fraction form
    313,795.80/433,038.28 = 170,555.88/x
  3. Step 3: Cross multiply
    313,795.80x = 433,038.28 × 170,555.88
  4. Step 4: Simplify right side
    313,795.80x = 73,857,224,919.09
  5. Step 5: Solve for x
    x = 73,857,224,919.09/313,795.80
  6. Step 6: Final answer
    x = 235,367.16

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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.