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Finding the Fourth Proportional to 222,013.93, 306,374.64 and 121,411.93

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Solution

The fourth proportional to 222,013.93, 306,374.64 and 121,411.93 is: 167,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,013.93 : 306,374.64 = 121,411.93 : x
  2. Step 2: Convert to fraction form
    222,013.93/306,374.64 = 121,411.93/x
  3. Step 3: Cross multiply
    222,013.93x = 306,374.64 × 121,411.93
  4. Step 4: Simplify right side
    222,013.93x = 37,197,536,345.46
  5. Step 5: Solve for x
    x = 37,197,536,345.46/222,013.93
  6. Step 6: Final answer
    x = 167,545.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.