Home / 401,827.80-602,522.70-121,308.60

Finding the Fourth Proportional to 401,827.80, 602,522.70 and 121,308.60

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Solution

The fourth proportional to 401,827.80, 602,522.70 and 121,308.60 is: 181,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,827.80 : 602,522.70 = 121,308.60 : x
  2. Step 2: Convert to fraction form
    401,827.80/602,522.70 = 121,308.60/x
  3. Step 3: Cross multiply
    401,827.80x = 602,522.70 × 121,308.60
  4. Step 4: Simplify right side
    401,827.80x = 73,091,185,205.22
  5. Step 5: Solve for x
    x = 73,091,185,205.22/401,827.80
  6. Step 6: Final answer
    x = 181,896.79

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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.