Home / 268,946.28-371,195.64-155,769

Finding the Fourth Proportional to 268,946.28, 371,195.64 and 155,769

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Solution

The fourth proportional to 268,946.28, 371,195.64 and 155,769 is: 214,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,946.28 : 371,195.64 = 155,769 : x
  2. Step 2: Convert to fraction form
    268,946.28/371,195.64 = 155,769/x
  3. Step 3: Cross multiply
    268,946.28x = 371,195.64 × 155,769
  4. Step 4: Simplify right side
    268,946.28x = 57,820,773,647.16
  5. Step 5: Solve for x
    x = 57,820,773,647.16/268,946.28
  6. Step 6: Final answer
    x = 214,990.05

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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.