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Finding the Fourth Proportional to 604,956.81, 907,366.10 and 161,759.37

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Solution

The fourth proportional to 604,956.81, 907,366.10 and 161,759.37 is: 242,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,956.81 : 907,366.10 = 161,759.37 : x
  2. Step 2: Convert to fraction form
    604,956.81/907,366.10 = 161,759.37/x
  3. Step 3: Cross multiply
    604,956.81x = 907,366.10 × 161,759.37
  4. Step 4: Simplify right side
    604,956.81x = 146,774,967,886.56
  5. Step 5: Solve for x
    x = 146,774,967,886.56/604,956.81
  6. Step 6: Final answer
    x = 242,620.57

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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.