Home / 409,215.91-564,746.31-248,077.75

Finding the Fourth Proportional to 409,215.91, 564,746.31 and 248,077.75

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Solution

The fourth proportional to 409,215.91, 564,746.31 and 248,077.75 is: 342,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,215.91 : 564,746.31 = 248,077.75 : x
  2. Step 2: Convert to fraction form
    409,215.91/564,746.31 = 248,077.75/x
  3. Step 3: Cross multiply
    409,215.91x = 564,746.31 × 248,077.75
  4. Step 4: Simplify right side
    409,215.91x = 140,100,993,905.60
  5. Step 5: Solve for x
    x = 140,100,993,905.60/409,215.91
  6. Step 6: Final answer
    x = 342,364.48

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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.