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Finding the Fourth Proportional to 311,065.04, 429,277.76 and 175,103.84

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Solution

The fourth proportional to 311,065.04, 429,277.76 and 175,103.84 is: 241,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,065.04 : 429,277.76 = 175,103.84 : x
  2. Step 2: Convert to fraction form
    311,065.04/429,277.76 = 175,103.84/x
  3. Step 3: Cross multiply
    311,065.04x = 429,277.76 × 175,103.84
  4. Step 4: Simplify right side
    311,065.04x = 75,168,185,056.91
  5. Step 5: Solve for x
    x = 75,168,185,056.91/311,065.04
  6. Step 6: Final answer
    x = 241,647.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.