Home / 389,315.64-583,969.95-123,076.24

Finding the Fourth Proportional to 389,315.64, 583,969.95 and 123,076.24

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Solution

The fourth proportional to 389,315.64, 583,969.95 and 123,076.24 is: 184,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,315.64 : 583,969.95 = 123,076.24 : x
  2. Step 2: Convert to fraction form
    389,315.64/583,969.95 = 123,076.24/x
  3. Step 3: Cross multiply
    389,315.64x = 583,969.95 × 123,076.24
  4. Step 4: Simplify right side
    389,315.64x = 71,872,824,259.06
  5. Step 5: Solve for x
    x = 71,872,824,259.06/389,315.64
  6. Step 6: Final answer
    x = 184,613.24

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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.