Home / 268,771.37-403,075.04-91,238.91

Finding the Fourth Proportional to 268,771.37, 403,075.04 and 91,238.91

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Solution

The fourth proportional to 268,771.37, 403,075.04 and 91,238.91 is: 136,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,771.37 : 403,075.04 = 91,238.91 : x
  2. Step 2: Convert to fraction form
    268,771.37/403,075.04 = 91,238.91/x
  3. Step 3: Cross multiply
    268,771.37x = 403,075.04 × 91,238.91
  4. Step 4: Simplify right side
    268,771.37x = 36,776,125,330.08
  5. Step 5: Solve for x
    x = 36,776,125,330.08/268,771.37
  6. Step 6: Final answer
    x = 136,830.52

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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.