Home / 205,066.20-307,927.35-155,202.60

Finding the Fourth Proportional to 205,066.20, 307,927.35 and 155,202.60

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Solution

The fourth proportional to 205,066.20, 307,927.35 and 155,202.60 is: 233,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,066.20 : 307,927.35 = 155,202.60 : x
  2. Step 2: Convert to fraction form
    205,066.20/307,927.35 = 155,202.60/x
  3. Step 3: Cross multiply
    205,066.20x = 307,927.35 × 155,202.60
  4. Step 4: Simplify right side
    205,066.20x = 47,791,125,331.11
  5. Step 5: Solve for x
    x = 47,791,125,331.11/205,066.20
  6. Step 6: Final answer
    x = 233,052.18

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1.5x scale

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.