Home / 389,280.36-583,870.32-123,067.92

Finding the Fourth Proportional to 389,280.36, 583,870.32 and 123,067.92

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Solution

The fourth proportional to 389,280.36, 583,870.32 and 123,067.92 is: 184,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,280.36 : 583,870.32 = 123,067.92 : x
  2. Step 2: Convert to fraction form
    389,280.36/583,870.32 = 123,067.92/x
  3. Step 3: Cross multiply
    389,280.36x = 583,870.32 × 123,067.92
  4. Step 4: Simplify right side
    389,280.36x = 71,855,705,832.13
  5. Step 5: Solve for x
    x = 71,855,705,832.13/389,280.36
  6. Step 6: Final answer
    x = 184,586.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.