Home / 211,642.49-291,627.70-197,011.46

Finding the Fourth Proportional to 211,642.49, 291,627.70 and 197,011.46

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Solution

The fourth proportional to 211,642.49, 291,627.70 and 197,011.46 is: 271,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,642.49 : 291,627.70 = 197,011.46 : x
  2. Step 2: Convert to fraction form
    211,642.49/291,627.70 = 197,011.46/x
  3. Step 3: Cross multiply
    211,642.49x = 291,627.70 × 197,011.46
  4. Step 4: Simplify right side
    211,642.49x = 57,453,999,189.98
  5. Step 5: Solve for x
    x = 57,453,999,189.98/211,642.49
  6. Step 6: Final answer
    x = 271,467.22

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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.