Home / 208,213.13-312,444.08-191,273.29

Finding the Fourth Proportional to 208,213.13, 312,444.08 and 191,273.29

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Solution

The fourth proportional to 208,213.13, 312,444.08 and 191,273.29 is: 287,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,213.13 : 312,444.08 = 191,273.29 : x
  2. Step 2: Convert to fraction form
    208,213.13/312,444.08 = 191,273.29/x
  3. Step 3: Cross multiply
    208,213.13x = 312,444.08 × 191,273.29
  4. Step 4: Simplify right side
    208,213.13x = 59,762,206,166.26
  5. Step 5: Solve for x
    x = 59,762,206,166.26/208,213.13
  6. Step 6: Final answer
    x = 287,024.20

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1.5x scale

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.