Home / 377,747.69-521,275.55-205,661.93

Finding the Fourth Proportional to 377,747.69, 521,275.55 and 205,661.93

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Solution

The fourth proportional to 377,747.69, 521,275.55 and 205,661.93 is: 283,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,747.69 : 521,275.55 = 205,661.93 : x
  2. Step 2: Convert to fraction form
    377,747.69/521,275.55 = 205,661.93/x
  3. Step 3: Cross multiply
    377,747.69x = 521,275.55 × 205,661.93
  4. Step 4: Simplify right side
    377,747.69x = 107,206,532,040.12
  5. Step 5: Solve for x
    x = 107,206,532,040.12/377,747.69
  6. Step 6: Final answer
    x = 283,804.60

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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.