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Finding the Fourth Proportional to 570,008.47, 854,987.50 and 149,275.03

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Solution

The fourth proportional to 570,008.47, 854,987.50 and 149,275.03 is: 223,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,008.47 : 854,987.50 = 149,275.03 : x
  2. Step 2: Convert to fraction form
    570,008.47/854,987.50 = 149,275.03/x
  3. Step 3: Cross multiply
    570,008.47x = 854,987.50 × 149,275.03
  4. Step 4: Simplify right side
    570,008.47x = 127,628,284,712.13
  5. Step 5: Solve for x
    x = 127,628,284,712.13/570,008.47
  6. Step 6: Final answer
    x = 223,905.94

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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.