Home / 268,586.55-370,631.34-153,865.71

Finding the Fourth Proportional to 268,586.55, 370,631.34 and 153,865.71

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Solution

The fourth proportional to 268,586.55, 370,631.34 and 153,865.71 is: 212,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,586.55 : 370,631.34 = 153,865.71 : x
  2. Step 2: Convert to fraction form
    268,586.55/370,631.34 = 153,865.71/x
  3. Step 3: Cross multiply
    268,586.55x = 370,631.34 × 153,865.71
  4. Step 4: Simplify right side
    268,586.55x = 57,027,454,277.35
  5. Step 5: Solve for x
    x = 57,027,454,277.35/268,586.55
  6. Step 6: Final answer
    x = 212,324.31

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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.