Home / 377,850.51-521,457.45-208,084.65

Finding the Fourth Proportional to 377,850.51, 521,457.45 and 208,084.65

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Solution

The fourth proportional to 377,850.51, 521,457.45 and 208,084.65 is: 287,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,850.51 : 521,457.45 = 208,084.65 : x
  2. Step 2: Convert to fraction form
    377,850.51/521,457.45 = 208,084.65/x
  3. Step 3: Cross multiply
    377,850.51x = 521,457.45 × 208,084.65
  4. Step 4: Simplify right side
    377,850.51x = 108,507,290,973.14
  5. Step 5: Solve for x
    x = 108,507,290,973.14/377,850.51
  6. Step 6: Final answer
    x = 287,169.89

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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.