Home / 353,116.80-529,214.40-163,555.20

Finding the Fourth Proportional to 353,116.80, 529,214.40 and 163,555.20

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Solution

The fourth proportional to 353,116.80, 529,214.40 and 163,555.20 is: 245,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,116.80 : 529,214.40 = 163,555.20 : x
  2. Step 2: Convert to fraction form
    353,116.80/529,214.40 = 163,555.20/x
  3. Step 3: Cross multiply
    353,116.80x = 529,214.40 × 163,555.20
  4. Step 4: Simplify right side
    353,116.80x = 86,555,767,034.88
  5. Step 5: Solve for x
    x = 86,555,767,034.88/353,116.80
  6. Step 6: Final answer
    x = 245,119.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.