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Finding the Fourth Proportional to 289,037.70, 433,556.55 and 102,068.10

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Solution

The fourth proportional to 289,037.70, 433,556.55 and 102,068.10 is: 153,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037.70 : 433,556.55 = 102,068.10 : x
  2. Step 2: Convert to fraction form
    289,037.70/433,556.55 = 102,068.10/x
  3. Step 3: Cross multiply
    289,037.70x = 433,556.55 × 102,068.10
  4. Step 4: Simplify right side
    289,037.70x = 44,252,293,301.06
  5. Step 5: Solve for x
    x = 44,252,293,301.06/289,037.70
  6. Step 6: Final answer
    x = 153,102.15

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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.