Home / 313,269.30-432,312.03-170,029.35

Finding the Fourth Proportional to 313,269.30, 432,312.03 and 170,029.35

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Solution

The fourth proportional to 313,269.30, 432,312.03 and 170,029.35 is: 234,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,269.30 : 432,312.03 = 170,029.35 : x
  2. Step 2: Convert to fraction form
    313,269.30/432,312.03 = 170,029.35/x
  3. Step 3: Cross multiply
    313,269.30x = 432,312.03 × 170,029.35
  4. Step 4: Simplify right side
    313,269.30x = 73,505,733,458.08
  5. Step 5: Solve for x
    x = 73,505,733,458.08/313,269.30
  6. Step 6: Final answer
    x = 234,640.72

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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.