Home / 313,530.52-432,677.28-170,290.72

Finding the Fourth Proportional to 313,530.52, 432,677.28 and 170,290.72

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Solution

The fourth proportional to 313,530.52, 432,677.28 and 170,290.72 is: 235,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,530.52 : 432,677.28 = 170,290.72 : x
  2. Step 2: Convert to fraction form
    313,530.52/432,677.28 = 170,290.72/x
  3. Step 3: Cross multiply
    313,530.52x = 432,677.28 × 170,290.72
  4. Step 4: Simplify right side
    313,530.52x = 73,680,925,538.84
  5. Step 5: Solve for x
    x = 73,680,925,538.84/313,530.52
  6. Step 6: Final answer
    x = 235,004.00

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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.