Home / 285,358.10-393,786.24-162,848.15

Finding the Fourth Proportional to 285,358.10, 393,786.24 and 162,848.15

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Solution

The fourth proportional to 285,358.10, 393,786.24 and 162,848.15 is: 224,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,358.10 : 393,786.24 = 162,848.15 : x
  2. Step 2: Convert to fraction form
    285,358.10/393,786.24 = 162,848.15/x
  3. Step 3: Cross multiply
    285,358.10x = 393,786.24 × 162,848.15
  4. Step 4: Simplify right side
    285,358.10x = 64,127,358,710.52
  5. Step 5: Solve for x
    x = 64,127,358,710.52/285,358.10
  6. Step 6: Final answer
    x = 224,725.91

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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.