Home / 209,445.02-314,048.46-142,965.62

Finding the Fourth Proportional to 209,445.02, 314,048.46 and 142,965.62

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Solution

The fourth proportional to 209,445.02, 314,048.46 and 142,965.62 is: 214,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,445.02 : 314,048.46 = 142,965.62 : x
  2. Step 2: Convert to fraction form
    209,445.02/314,048.46 = 142,965.62/x
  3. Step 3: Cross multiply
    209,445.02x = 314,048.46 × 142,965.62
  4. Step 4: Simplify right side
    209,445.02x = 44,898,132,793.95
  5. Step 5: Solve for x
    x = 44,898,132,793.95/209,445.02
  6. Step 6: Final answer
    x = 214,367.15

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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.