Home / 240,652.75-331,359.02-213,748.51

Finding the Fourth Proportional to 240,652.75, 331,359.02 and 213,748.51

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Solution

The fourth proportional to 240,652.75, 331,359.02 and 213,748.51 is: 294,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,652.75 : 331,359.02 = 213,748.51 : x
  2. Step 2: Convert to fraction form
    240,652.75/331,359.02 = 213,748.51/x
  3. Step 3: Cross multiply
    240,652.75x = 331,359.02 × 213,748.51
  4. Step 4: Simplify right side
    240,652.75x = 70,827,495,731.32
  5. Step 5: Solve for x
    x = 70,827,495,731.32/240,652.75
  6. Step 6: Final answer
    x = 294,314.09

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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.