Home / 268,880.64-371,014.12-155,681.52

Finding the Fourth Proportional to 268,880.64, 371,014.12 and 155,681.52

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Solution

The fourth proportional to 268,880.64, 371,014.12 and 155,681.52 is: 214,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,880.64 : 371,014.12 = 155,681.52 : x
  2. Step 2: Convert to fraction form
    268,880.64/371,014.12 = 155,681.52/x
  3. Step 3: Cross multiply
    268,880.64x = 371,014.12 × 155,681.52
  4. Step 4: Simplify right side
    268,880.64x = 57,760,042,143.06
  5. Step 5: Solve for x
    x = 57,760,042,143.06/268,880.64
  6. Step 6: Final answer
    x = 214,816.66

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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.