Home / 670,670.80-1,006,006.20-172,034.80

Finding the Fourth Proportional to 670,670.80, 1,006,006.20 and 172,034.80

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Solution

The fourth proportional to 670,670.80, 1,006,006.20 and 172,034.80 is: 258,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,670.80 : 1,006,006.20 = 172,034.80 : x
  2. Step 2: Convert to fraction form
    670,670.80/1,006,006.20 = 172,034.80/x
  3. Step 3: Cross multiply
    670,670.80x = 1,006,006.20 × 172,034.80
  4. Step 4: Simplify right side
    670,670.80x = 173,068,075,415.76
  5. Step 5: Solve for x
    x = 173,068,075,415.76/670,670.80
  6. Step 6: Final answer
    x = 258,052.20

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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.