Home / 400,911.04-553,127.06-273,365.20

Finding the Fourth Proportional to 400,911.04, 553,127.06 and 273,365.20

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Solution

The fourth proportional to 400,911.04, 553,127.06 and 273,365.20 is: 377,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,911.04 : 553,127.06 = 273,365.20 : x
  2. Step 2: Convert to fraction form
    400,911.04/553,127.06 = 273,365.20/x
  3. Step 3: Cross multiply
    400,911.04x = 553,127.06 × 273,365.20
  4. Step 4: Simplify right side
    400,911.04x = 151,205,689,382.31
  5. Step 5: Solve for x
    x = 151,205,689,382.31/400,911.04
  6. Step 6: Final answer
    x = 377,155.21

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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.