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Finding the Fourth Proportional to 501,030.60, 751,618.80 and 163,989.60

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Solution

The fourth proportional to 501,030.60, 751,618.80 and 163,989.60 is: 246,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,030.60 : 751,618.80 = 163,989.60 : x
  2. Step 2: Convert to fraction form
    501,030.60/751,618.80 = 163,989.60/x
  3. Step 3: Cross multiply
    501,030.60x = 751,618.80 × 163,989.60
  4. Step 4: Simplify right side
    501,030.60x = 123,257,666,364.48
  5. Step 5: Solve for x
    x = 123,257,666,364.48/501,030.60
  6. Step 6: Final answer
    x = 246,008.26

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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.