Home / 389,292.17-583,887.75-123,079.55

Finding the Fourth Proportional to 389,292.17, 583,887.75 and 123,079.55

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Solution

The fourth proportional to 389,292.17, 583,887.75 and 123,079.55 is: 184,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,292.17 : 583,887.75 = 123,079.55 : x
  2. Step 2: Convert to fraction form
    389,292.17/583,887.75 = 123,079.55/x
  3. Step 3: Cross multiply
    389,292.17x = 583,887.75 × 123,079.55
  4. Step 4: Simplify right side
    389,292.17x = 71,864,638,601.07
  5. Step 5: Solve for x
    x = 71,864,638,601.07/389,292.17
  6. Step 6: Final answer
    x = 184,603.35

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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.