Home / 311,743.42-430,232.31-175,803.58

Finding the Fourth Proportional to 311,743.42, 430,232.31 and 175,803.58

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Solution

The fourth proportional to 311,743.42, 430,232.31 and 175,803.58 is: 242,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,743.42 : 430,232.31 = 175,803.58 : x
  2. Step 2: Convert to fraction form
    311,743.42/430,232.31 = 175,803.58/x
  3. Step 3: Cross multiply
    311,743.42x = 430,232.31 × 175,803.58
  4. Step 4: Simplify right side
    311,743.42x = 75,636,380,329.67
  5. Step 5: Solve for x
    x = 75,636,380,329.67/311,743.42
  6. Step 6: Final answer
    x = 242,623.82

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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.