Home / 284,389.14-392,453.73-155,326.98

Finding the Fourth Proportional to 284,389.14, 392,453.73 and 155,326.98

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Solution

The fourth proportional to 284,389.14, 392,453.73 and 155,326.98 is: 214,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,389.14 : 392,453.73 = 155,326.98 : x
  2. Step 2: Convert to fraction form
    284,389.14/392,453.73 = 155,326.98/x
  3. Step 3: Cross multiply
    284,389.14x = 392,453.73 × 155,326.98
  4. Step 4: Simplify right side
    284,389.14x = 60,958,652,670.64
  5. Step 5: Solve for x
    x = 60,958,652,670.64/284,389.14
  6. Step 6: Final answer
    x = 214,349.44

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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.