Home / 377,850.27-521,457.09-208,084.39

Finding the Fourth Proportional to 377,850.27, 521,457.09 and 208,084.39

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Solution

The fourth proportional to 377,850.27, 521,457.09 and 208,084.39 is: 287,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,850.27 : 521,457.09 = 208,084.39 : x
  2. Step 2: Convert to fraction form
    377,850.27/521,457.09 = 208,084.39/x
  3. Step 3: Cross multiply
    377,850.27x = 521,457.09 × 208,084.39
  4. Step 4: Simplify right side
    377,850.27x = 108,507,080,483.83
  5. Step 5: Solve for x
    x = 108,507,080,483.83/377,850.27
  6. Step 6: Final answer
    x = 287,169.52

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1.5x scale

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.