Home / 672,235.90-1,008,159.45-245,722.30

Finding the Fourth Proportional to 672,235.90, 1,008,159.45 and 245,722.30

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Solution

The fourth proportional to 672,235.90, 1,008,159.45 and 245,722.30 is: 368,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,235.90 : 1,008,159.45 = 245,722.30 : x
  2. Step 2: Convert to fraction form
    672,235.90/1,008,159.45 = 245,722.30/x
  3. Step 3: Cross multiply
    672,235.90x = 1,008,159.45 × 245,722.30
  4. Step 4: Simplify right side
    672,235.90x = 247,727,258,820.74
  5. Step 5: Solve for x
    x = 247,727,258,820.74/672,235.90
  6. Step 6: Final answer
    x = 368,512.39

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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.