Home / 377,999.04-521,619.48-208,229.52

Finding the Fourth Proportional to 377,999.04, 521,619.48 and 208,229.52

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Solution

The fourth proportional to 377,999.04, 521,619.48 and 208,229.52 is: 287,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,999.04 : 521,619.48 = 208,229.52 : x
  2. Step 2: Convert to fraction form
    377,999.04/521,619.48 = 208,229.52/x
  3. Step 3: Cross multiply
    377,999.04x = 521,619.48 × 208,229.52
  4. Step 4: Simplify right side
    377,999.04x = 108,616,573,943.05
  5. Step 5: Solve for x
    x = 108,616,573,943.05/377,999.04
  6. Step 6: Final answer
    x = 287,346.16

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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.