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Finding the Fourth Proportional to 347,803, 521,552.58 and 123,088.78

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Solution

The fourth proportional to 347,803, 521,552.58 and 123,088.78 is: 184,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,803 : 521,552.58 = 123,088.78 : x
  2. Step 2: Convert to fraction form
    347,803/521,552.58 = 123,088.78/x
  3. Step 3: Cross multiply
    347,803x = 521,552.58 × 123,088.78
  4. Step 4: Simplify right side
    347,803x = 64,197,270,778.05
  5. Step 5: Solve for x
    x = 64,197,270,778.05/347,803
  6. Step 6: Final answer
    x = 184,579.40

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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.