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Finding the Fourth Proportional to 289,006.60, 433,510.54 and 155,949.56

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Solution

The fourth proportional to 289,006.60, 433,510.54 and 155,949.56 is: 233,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,006.60 : 433,510.54 = 155,949.56 : x
  2. Step 2: Convert to fraction form
    289,006.60/433,510.54 = 155,949.56/x
  3. Step 3: Cross multiply
    289,006.60x = 433,510.54 × 155,949.56
  4. Step 4: Simplify right side
    289,006.60x = 67,605,777,968.36
  5. Step 5: Solve for x
    x = 67,605,777,968.36/289,006.60
  6. Step 6: Final answer
    x = 233,924.69

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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.