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Finding the Fourth Proportional to 242,407.67, 334,519.42 and 133,509.93

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Solution

The fourth proportional to 242,407.67, 334,519.42 and 133,509.93 is: 184,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,407.67 : 334,519.42 = 133,509.93 : x
  2. Step 2: Convert to fraction form
    242,407.67/334,519.42 = 133,509.93/x
  3. Step 3: Cross multiply
    242,407.67x = 334,519.42 × 133,509.93
  4. Step 4: Simplify right side
    242,407.67x = 44,661,665,362.04
  5. Step 5: Solve for x
    x = 44,661,665,362.04/242,407.67
  6. Step 6: Final answer
    x = 184,241.97

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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.