Home / 409,275.60-564,827.08-248,145.36

Finding the Fourth Proportional to 409,275.60, 564,827.08 and 248,145.36

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Solution

The fourth proportional to 409,275.60, 564,827.08 and 248,145.36 is: 342,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,275.60 : 564,827.08 = 248,145.36 : x
  2. Step 2: Convert to fraction form
    409,275.60/564,827.08 = 248,145.36/x
  3. Step 3: Cross multiply
    409,275.60x = 564,827.08 × 248,145.36
  4. Step 4: Simplify right side
    409,275.60x = 140,159,219,104.35
  5. Step 5: Solve for x
    x = 140,159,219,104.35/409,275.60
  6. Step 6: Final answer
    x = 342,456.82

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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.