Home / 284,513.02-392,623.38-155,448.73

Finding the Fourth Proportional to 284,513.02, 392,623.38 and 155,448.73

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Solution

The fourth proportional to 284,513.02, 392,623.38 and 155,448.73 is: 214,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,513.02 : 392,623.38 = 155,448.73 : x
  2. Step 2: Convert to fraction form
    284,513.02/392,623.38 = 155,448.73/x
  3. Step 3: Cross multiply
    284,513.02x = 392,623.38 × 155,448.73
  4. Step 4: Simplify right side
    284,513.02x = 61,032,805,789.31
  5. Step 5: Solve for x
    x = 61,032,805,789.31/284,513.02
  6. Step 6: Final answer
    x = 214,516.74

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1.5x scale

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.