Home / 403,132.35-604,786.02-122,642.31

Finding the Fourth Proportional to 403,132.35, 604,786.02 and 122,642.31

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Solution

The fourth proportional to 403,132.35, 604,786.02 and 122,642.31 is: 183,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,132.35 : 604,786.02 = 122,642.31 : x
  2. Step 2: Convert to fraction form
    403,132.35/604,786.02 = 122,642.31/x
  3. Step 3: Cross multiply
    403,132.35x = 604,786.02 × 122,642.31
  4. Step 4: Simplify right side
    403,132.35x = 74,172,354,548.51
  5. Step 5: Solve for x
    x = 74,172,354,548.51/403,132.35
  6. Step 6: Final answer
    x = 183,990.08

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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.