Home / 281,741.57-388,746.05-166,969.72

Finding the Fourth Proportional to 281,741.57, 388,746.05 and 166,969.72

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Solution

The fourth proportional to 281,741.57, 388,746.05 and 166,969.72 is: 230,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,741.57 : 388,746.05 = 166,969.72 : x
  2. Step 2: Convert to fraction form
    281,741.57/388,746.05 = 166,969.72/x
  3. Step 3: Cross multiply
    281,741.57x = 388,746.05 × 166,969.72
  4. Step 4: Simplify right side
    281,741.57x = 64,908,819,119.61
  5. Step 5: Solve for x
    x = 64,908,819,119.61/281,741.57
  6. Step 6: Final answer
    x = 230,384.25

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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.