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Finding the Fourth Proportional to 500,188.37, 750,284.48 and 121,108.47

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Solution

The fourth proportional to 500,188.37, 750,284.48 and 121,108.47 is: 181,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,188.37 : 750,284.48 = 121,108.47 : x
  2. Step 2: Convert to fraction form
    500,188.37/750,284.48 = 121,108.47/x
  3. Step 3: Cross multiply
    500,188.37x = 750,284.48 × 121,108.47
  4. Step 4: Simplify right side
    500,188.37x = 90,865,804,832.00
  5. Step 5: Solve for x
    x = 90,865,804,832.00/500,188.37
  6. Step 6: Final answer
    x = 181,663.17

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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.