Home / 405,008.20-606,929.10-180,184.60

Finding the Fourth Proportional to 405,008.20, 606,929.10 and 180,184.60

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Solution

The fourth proportional to 405,008.20, 606,929.10 and 180,184.60 is: 270,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,008.20 : 606,929.10 = 180,184.60 : x
  2. Step 2: Convert to fraction form
    405,008.20/606,929.10 = 180,184.60/x
  3. Step 3: Cross multiply
    405,008.20x = 606,929.10 × 180,184.60
  4. Step 4: Simplify right side
    405,008.20x = 109,359,277,111.86
  5. Step 5: Solve for x
    x = 109,359,277,111.86/405,008.20
  6. Step 6: Final answer
    x = 270,017.44

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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.