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Finding the Fourth Proportional to 356,088.07, 534,133.07 and 89,848.56

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Solution

The fourth proportional to 356,088.07, 534,133.07 and 89,848.56 is: 134,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088.07 : 534,133.07 = 89,848.56 : x
  2. Step 2: Convert to fraction form
    356,088.07/534,133.07 = 89,848.56/x
  3. Step 3: Cross multiply
    356,088.07x = 534,133.07 × 89,848.56
  4. Step 4: Simplify right side
    356,088.07x = 47,991,089,078.57
  5. Step 5: Solve for x
    x = 47,991,089,078.57/356,088.07
  6. Step 6: Final answer
    x = 134,773.09

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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.