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Finding the Fourth Proportional to 600,482.06, 900,724.66 and 221,238.47

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Solution

The fourth proportional to 600,482.06, 900,724.66 and 221,238.47 is: 331,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,482.06 : 900,724.66 = 221,238.47 : x
  2. Step 2: Convert to fraction form
    600,482.06/900,724.66 = 221,238.47/x
  3. Step 3: Cross multiply
    600,482.06x = 900,724.66 × 221,238.47
  4. Step 4: Simplify right side
    600,482.06x = 199,274,947,368.39
  5. Step 5: Solve for x
    x = 199,274,947,368.39/600,482.06
  6. Step 6: Final answer
    x = 331,858.29

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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.