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Finding the Fourth Proportional to 268,757.76, 370,901.02 and 154,055.48

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Solution

The fourth proportional to 268,757.76, 370,901.02 and 154,055.48 is: 212,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,757.76 : 370,901.02 = 154,055.48 : x
  2. Step 2: Convert to fraction form
    268,757.76/370,901.02 = 154,055.48/x
  3. Step 3: Cross multiply
    268,757.76x = 370,901.02 × 154,055.48
  4. Step 4: Simplify right side
    268,757.76x = 57,139,334,668.59
  5. Step 5: Solve for x
    x = 57,139,334,668.59/268,757.76
  6. Step 6: Final answer
    x = 212,605.34

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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.