Home / 401,742.12-602,710.62-121,242.60

Finding the Fourth Proportional to 401,742.12, 602,710.62 and 121,242.60

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Solution

The fourth proportional to 401,742.12, 602,710.62 and 121,242.60 is: 181,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,742.12 : 602,710.62 = 121,242.60 : x
  2. Step 2: Convert to fraction form
    401,742.12/602,710.62 = 121,242.60/x
  3. Step 3: Cross multiply
    401,742.12x = 602,710.62 × 121,242.60
  4. Step 4: Simplify right side
    401,742.12x = 73,074,202,616.41
  5. Step 5: Solve for x
    x = 73,074,202,616.41/401,742.12
  6. Step 6: Final answer
    x = 181,893.31

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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.