Home / 205,366.60-307,445.10-153,008.20

Finding the Fourth Proportional to 205,366.60, 307,445.10 and 153,008.20

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Solution

The fourth proportional to 205,366.60, 307,445.10 and 153,008.20 is: 229,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,366.60 : 307,445.10 = 153,008.20 : x
  2. Step 2: Convert to fraction form
    205,366.60/307,445.10 = 153,008.20/x
  3. Step 3: Cross multiply
    205,366.60x = 307,445.10 × 153,008.20
  4. Step 4: Simplify right side
    205,366.60x = 47,041,621,349.82
  5. Step 5: Solve for x
    x = 47,041,621,349.82/205,366.60
  6. Step 6: Final answer
    x = 229,061.69

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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.