Home / 401,494.07-554,075.94-220,206.72

Finding the Fourth Proportional to 401,494.07, 554,075.94 and 220,206.72

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Solution

The fourth proportional to 401,494.07, 554,075.94 and 220,206.72 is: 303,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,494.07 : 554,075.94 = 220,206.72 : x
  2. Step 2: Convert to fraction form
    401,494.07/554,075.94 = 220,206.72/x
  3. Step 3: Cross multiply
    401,494.07x = 554,075.94 × 220,206.72
  4. Step 4: Simplify right side
    401,494.07x = 122,011,246,693.59
  5. Step 5: Solve for x
    x = 122,011,246,693.59/401,494.07
  6. Step 6: Final answer
    x = 303,893.02

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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.