Home / 830,148.46-1,245,144.93-269,187.82

Finding the Fourth Proportional to 830,148.46, 1,245,144.93 and 269,187.82

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Solution

The fourth proportional to 830,148.46, 1,245,144.93 and 269,187.82 is: 403,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,148.46 : 1,245,144.93 = 269,187.82 : x
  2. Step 2: Convert to fraction form
    830,148.46/1,245,144.93 = 269,187.82/x
  3. Step 3: Cross multiply
    830,148.46x = 1,245,144.93 × 269,187.82
  4. Step 4: Simplify right side
    830,148.46x = 335,177,849,290.75
  5. Step 5: Solve for x
    x = 335,177,849,290.75/830,148.46
  6. Step 6: Final answer
    x = 403,756.52

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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.