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Finding the Fourth Proportional to 222,957.47, 307,681.53 and 127,466.23

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Solution

The fourth proportional to 222,957.47, 307,681.53 and 127,466.23 is: 175,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,957.47 : 307,681.53 = 127,466.23 : x
  2. Step 2: Convert to fraction form
    222,957.47/307,681.53 = 127,466.23/x
  3. Step 3: Cross multiply
    222,957.47x = 307,681.53 × 127,466.23
  4. Step 4: Simplify right side
    222,957.47x = 39,219,004,669.73
  5. Step 5: Solve for x
    x = 39,219,004,669.73/222,957.47
  6. Step 6: Final answer
    x = 175,903.52

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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.