Home / 219,454.21-302,725.55-178,662.21

Finding the Fourth Proportional to 219,454.21, 302,725.55 and 178,662.21

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Solution

The fourth proportional to 219,454.21, 302,725.55 and 178,662.21 is: 246,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,454.21 : 302,725.55 = 178,662.21 : x
  2. Step 2: Convert to fraction form
    219,454.21/302,725.55 = 178,662.21/x
  3. Step 3: Cross multiply
    219,454.21x = 302,725.55 × 178,662.21
  4. Step 4: Simplify right side
    219,454.21x = 54,085,616,472.71
  5. Step 5: Solve for x
    x = 54,085,616,472.71/219,454.21
  6. Step 6: Final answer
    x = 246,455.14

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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.