Home / 372,692.19-558,332.96-220,433.25

Finding the Fourth Proportional to 372,692.19, 558,332.96 and 220,433.25

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Solution

The fourth proportional to 372,692.19, 558,332.96 and 220,433.25 is: 330,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,692.19 : 558,332.96 = 220,433.25 : x
  2. Step 2: Convert to fraction form
    372,692.19/558,332.96 = 220,433.25/x
  3. Step 3: Cross multiply
    372,692.19x = 558,332.96 × 220,433.25
  4. Step 4: Simplify right side
    372,692.19x = 123,075,147,852.75
  5. Step 5: Solve for x
    x = 123,075,147,852.75/372,692.19
  6. Step 6: Final answer
    x = 330,232.70

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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.