Home / 404,639.04-607,331.36-205,100.96

Finding the Fourth Proportional to 404,639.04, 607,331.36 and 205,100.96

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Solution

The fourth proportional to 404,639.04, 607,331.36 and 205,100.96 is: 307,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,639.04 : 607,331.36 = 205,100.96 : x
  2. Step 2: Convert to fraction form
    404,639.04/607,331.36 = 205,100.96/x
  3. Step 3: Cross multiply
    404,639.04x = 607,331.36 × 205,100.96
  4. Step 4: Simplify right side
    404,639.04x = 124,564,244,974.11
  5. Step 5: Solve for x
    x = 124,564,244,974.11/404,639.04
  6. Step 6: Final answer
    x = 307,840.40

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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.