Home / 289,935.40-434,924.70-102,922.60

Finding the Fourth Proportional to 289,935.40, 434,924.70 and 102,922.60

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Solution

The fourth proportional to 289,935.40, 434,924.70 and 102,922.60 is: 154,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935.40 : 434,924.70 = 102,922.60 : x
  2. Step 2: Convert to fraction form
    289,935.40/434,924.70 = 102,922.60/x
  3. Step 3: Cross multiply
    289,935.40x = 434,924.70 × 102,922.60
  4. Step 4: Simplify right side
    289,935.40x = 44,763,580,928.22
  5. Step 5: Solve for x
    x = 44,763,580,928.22/289,935.40
  6. Step 6: Final answer
    x = 154,391.57

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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.