Home / 387,282.02-581,021.57-227,493.08

Finding the Fourth Proportional to 387,282.02, 581,021.57 and 227,493.08

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Solution

The fourth proportional to 387,282.02, 581,021.57 and 227,493.08 is: 341,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,282.02 : 581,021.57 = 227,493.08 : x
  2. Step 2: Convert to fraction form
    387,282.02/581,021.57 = 227,493.08/x
  3. Step 3: Cross multiply
    387,282.02x = 581,021.57 × 227,493.08
  4. Step 4: Simplify right side
    387,282.02x = 132,178,382,463.16
  5. Step 5: Solve for x
    x = 132,178,382,463.16/387,282.02
  6. Step 6: Final answer
    x = 341,297.50

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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.