Home / 455,250.16-682,657.02-215,164.24

Finding the Fourth Proportional to 455,250.16, 682,657.02 and 215,164.24

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Solution

The fourth proportional to 455,250.16, 682,657.02 and 215,164.24 is: 322,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,250.16 : 682,657.02 = 215,164.24 : x
  2. Step 2: Convert to fraction form
    455,250.16/682,657.02 = 215,164.24/x
  3. Step 3: Cross multiply
    455,250.16x = 682,657.02 × 215,164.24
  4. Step 4: Simplify right side
    455,250.16x = 146,883,378,888.97
  5. Step 5: Solve for x
    x = 146,883,378,888.97/455,250.16
  6. Step 6: Final answer
    x = 322,643.22

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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.