Home / 313,913.76-433,218.69-170,670.72

Finding the Fourth Proportional to 313,913.76, 433,218.69 and 170,670.72

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Solution

The fourth proportional to 313,913.76, 433,218.69 and 170,670.72 is: 235,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,913.76 : 433,218.69 = 170,670.72 : x
  2. Step 2: Convert to fraction form
    313,913.76/433,218.69 = 170,670.72/x
  3. Step 3: Cross multiply
    313,913.76x = 433,218.69 × 170,670.72
  4. Step 4: Simplify right side
    313,913.76x = 73,937,745,739.76
  5. Step 5: Solve for x
    x = 73,937,745,739.76/313,913.76
  6. Step 6: Final answer
    x = 235,535.22

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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.