Home / 404,830.50-607,243.02-134,979.30

Finding the Fourth Proportional to 404,830.50, 607,243.02 and 134,979.30

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Solution

The fourth proportional to 404,830.50, 607,243.02 and 134,979.30 is: 202,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,830.50 : 607,243.02 = 134,979.30 : x
  2. Step 2: Convert to fraction form
    404,830.50/607,243.02 = 134,979.30/x
  3. Step 3: Cross multiply
    404,830.50x = 607,243.02 × 134,979.30
  4. Step 4: Simplify right side
    404,830.50x = 81,965,237,769.49
  5. Step 5: Solve for x
    x = 81,965,237,769.49/404,830.50
  6. Step 6: Final answer
    x = 202,468.04

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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.