Home / 210,149.02-313,372.72-208,253.62

Finding the Fourth Proportional to 210,149.02, 313,372.72 and 208,253.62

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Solution

The fourth proportional to 210,149.02, 313,372.72 and 208,253.62 is: 310,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,149.02 : 313,372.72 = 208,253.62 : x
  2. Step 2: Convert to fraction form
    210,149.02/313,372.72 = 208,253.62/x
  3. Step 3: Cross multiply
    210,149.02x = 313,372.72 × 208,253.62
  4. Step 4: Simplify right side
    210,149.02x = 65,261,003,349.25
  5. Step 5: Solve for x
    x = 65,261,003,349.25/210,149.02
  6. Step 6: Final answer
    x = 310,546.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.