Home / 572,075.13-858,251.43-172,692.05

Finding the Fourth Proportional to 572,075.13, 858,251.43 and 172,692.05

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Solution

The fourth proportional to 572,075.13, 858,251.43 and 172,692.05 is: 259,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.13 : 858,251.43 = 172,692.05 : x
  2. Step 2: Convert to fraction form
    572,075.13/858,251.43 = 172,692.05/x
  3. Step 3: Cross multiply
    572,075.13x = 858,251.43 × 172,692.05
  4. Step 4: Simplify right side
    572,075.13x = 148,213,194,570.87
  5. Step 5: Solve for x
    x = 148,213,194,570.87/572,075.13
  6. Step 6: Final answer
    x = 259,079.95

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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.