Home / 276,717.04-415,075.66-213,629.28

Finding the Fourth Proportional to 276,717.04, 415,075.66 and 213,629.28

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Solution

The fourth proportional to 276,717.04, 415,075.66 and 213,629.28 is: 320,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,717.04 : 415,075.66 = 213,629.28 : x
  2. Step 2: Convert to fraction form
    276,717.04/415,075.66 = 213,629.28/x
  3. Step 3: Cross multiply
    276,717.04x = 415,075.66 × 213,629.28
  4. Step 4: Simplify right side
    276,717.04x = 88,672,314,391.32
  5. Step 5: Solve for x
    x = 88,672,314,391.32/276,717.04
  6. Step 6: Final answer
    x = 320,444.00

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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.