Home / 419,072.13-578,255.22-235,320.19

Finding the Fourth Proportional to 419,072.13, 578,255.22 and 235,320.19

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Solution

The fourth proportional to 419,072.13, 578,255.22 and 235,320.19 is: 324,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,072.13 : 578,255.22 = 235,320.19 : x
  2. Step 2: Convert to fraction form
    419,072.13/578,255.22 = 235,320.19/x
  3. Step 3: Cross multiply
    419,072.13x = 578,255.22 × 235,320.19
  4. Step 4: Simplify right side
    419,072.13x = 136,075,126,793.25
  5. Step 5: Solve for x
    x = 136,075,126,793.25/419,072.13
  6. Step 6: Final answer
    x = 324,705.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.