Home / 254,927.10-382,390.65-213,455.10

Finding the Fourth Proportional to 254,927.10, 382,390.65 and 213,455.10

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Solution

The fourth proportional to 254,927.10, 382,390.65 and 213,455.10 is: 320,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,927.10 : 382,390.65 = 213,455.10 : x
  2. Step 2: Convert to fraction form
    254,927.10/382,390.65 = 213,455.10/x
  3. Step 3: Cross multiply
    254,927.10x = 382,390.65 × 213,455.10
  4. Step 4: Simplify right side
    254,927.10x = 81,623,234,434.82
  5. Step 5: Solve for x
    x = 81,623,234,434.82/254,927.10
  6. Step 6: Final answer
    x = 320,182.65

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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.