Home / 409,078.80-564,607.62-248,022.05

Finding the Fourth Proportional to 409,078.80, 564,607.62 and 248,022.05

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Solution

The fourth proportional to 409,078.80, 564,607.62 and 248,022.05 is: 342,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,078.80 : 564,607.62 = 248,022.05 : x
  2. Step 2: Convert to fraction form
    409,078.80/564,607.62 = 248,022.05/x
  3. Step 3: Cross multiply
    409,078.80x = 564,607.62 × 248,022.05
  4. Step 4: Simplify right side
    409,078.80x = 140,035,136,534.98
  5. Step 5: Solve for x
    x = 140,035,136,534.98/409,078.80
  6. Step 6: Final answer
    x = 342,318.24

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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.