Home / 313,566.27-432,729.50-170,334.51

Finding the Fourth Proportional to 313,566.27, 432,729.50 and 170,334.51

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Solution

The fourth proportional to 313,566.27, 432,729.50 and 170,334.51 is: 235,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,566.27 : 432,729.50 = 170,334.51 : x
  2. Step 2: Convert to fraction form
    313,566.27/432,729.50 = 170,334.51/x
  3. Step 3: Cross multiply
    313,566.27x = 432,729.50 × 170,334.51
  4. Step 4: Simplify right side
    313,566.27x = 73,708,767,345.05
  5. Step 5: Solve for x
    x = 73,708,767,345.05/313,566.27
  6. Step 6: Final answer
    x = 235,066.00

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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.