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Finding the Fourth Proportional to 401,796.07, 554,476.95 and 220,510.98

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Solution

The fourth proportional to 401,796.07, 554,476.95 and 220,510.98 is: 304,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,796.07 : 554,476.95 = 220,510.98 : x
  2. Step 2: Convert to fraction form
    401,796.07/554,476.95 = 220,510.98/x
  3. Step 3: Cross multiply
    401,796.07x = 554,476.95 × 220,510.98
  4. Step 4: Simplify right side
    401,796.07x = 122,268,255,631.91
  5. Step 5: Solve for x
    x = 122,268,255,631.91/401,796.07
  6. Step 6: Final answer
    x = 304,304.26

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1.5x scale

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.