Home / 389,238.41-583,854.08-122,998.91

Finding the Fourth Proportional to 389,238.41, 583,854.08 and 122,998.91

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Solution

The fourth proportional to 389,238.41, 583,854.08 and 122,998.91 is: 184,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,238.41 : 583,854.08 = 122,998.91 : x
  2. Step 2: Convert to fraction form
    389,238.41/583,854.08 = 122,998.91/x
  3. Step 3: Cross multiply
    389,238.41x = 583,854.08 × 122,998.91
  4. Step 4: Simplify right side
    389,238.41x = 71,813,411,904.79
  5. Step 5: Solve for x
    x = 71,813,411,904.79/389,238.41
  6. Step 6: Final answer
    x = 184,497.24

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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.