Home / 211,285.36-316,213.62-205,599.16

Finding the Fourth Proportional to 211,285.36, 316,213.62 and 205,599.16

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Solution

The fourth proportional to 211,285.36, 316,213.62 and 205,599.16 is: 307,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,285.36 : 316,213.62 = 205,599.16 : x
  2. Step 2: Convert to fraction form
    211,285.36/316,213.62 = 205,599.16/x
  3. Step 3: Cross multiply
    211,285.36x = 316,213.62 × 205,599.16
  4. Step 4: Simplify right side
    211,285.36x = 65,013,254,652.56
  5. Step 5: Solve for x
    x = 65,013,254,652.56/211,285.36
  6. Step 6: Final answer
    x = 307,703.55

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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.