Home / 389,271.48-583,856.88-123,058.80

Finding the Fourth Proportional to 389,271.48, 583,856.88 and 123,058.80

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Solution

The fourth proportional to 389,271.48, 583,856.88 and 123,058.80 is: 184,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,271.48 : 583,856.88 = 123,058.80 : x
  2. Step 2: Convert to fraction form
    389,271.48/583,856.88 = 123,058.80/x
  3. Step 3: Cross multiply
    389,271.48x = 583,856.88 × 123,058.80
  4. Step 4: Simplify right side
    389,271.48x = 71,848,727,024.54
  5. Step 5: Solve for x
    x = 71,848,727,024.54/389,271.48
  6. Step 6: Final answer
    x = 184,572.29

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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.