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Finding the Fourth Proportional to 222,844.76, 307,547.86 and 127,365.16

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Solution

The fourth proportional to 222,844.76, 307,547.86 and 127,365.16 is: 175,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,844.76 : 307,547.86 = 127,365.16 : x
  2. Step 2: Convert to fraction form
    222,844.76/307,547.86 = 127,365.16/x
  3. Step 3: Cross multiply
    222,844.76x = 307,547.86 × 127,365.16
  4. Step 4: Simplify right side
    222,844.76x = 39,170,882,396.56
  5. Step 5: Solve for x
    x = 39,170,882,396.56/222,844.76
  6. Step 6: Final answer
    x = 175,776.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.