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Finding the Fourth Proportional to 501,007.80, 751,511.70 and 121,925.52

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Solution

The fourth proportional to 501,007.80, 751,511.70 and 121,925.52 is: 182,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,007.80 : 751,511.70 = 121,925.52 : x
  2. Step 2: Convert to fraction form
    501,007.80/751,511.70 = 121,925.52/x
  3. Step 3: Cross multiply
    501,007.80x = 751,511.70 × 121,925.52
  4. Step 4: Simplify right side
    501,007.80x = 91,628,454,808.58
  5. Step 5: Solve for x
    x = 91,628,454,808.58/501,007.80
  6. Step 6: Final answer
    x = 182,888.28

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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.