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Finding the Fourth Proportional to 215,333.84, 322,762.88 and 88,904.40

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Solution

The fourth proportional to 215,333.84, 322,762.88 and 88,904.40 is: 133,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,333.84 : 322,762.88 = 88,904.40 : x
  2. Step 2: Convert to fraction form
    215,333.84/322,762.88 = 88,904.40/x
  3. Step 3: Cross multiply
    215,333.84x = 322,762.88 × 88,904.40
  4. Step 4: Simplify right side
    215,333.84x = 28,695,040,188.67
  5. Step 5: Solve for x
    x = 28,695,040,188.67/215,333.84
  6. Step 6: Final answer
    x = 133,258.39

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1.5x scale

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.