Home / 219,011.46-302,217.72-123,541.62

Finding the Fourth Proportional to 219,011.46, 302,217.72 and 123,541.62

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Solution

The fourth proportional to 219,011.46, 302,217.72 and 123,541.62 is: 170,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,011.46 : 302,217.72 = 123,541.62 : x
  2. Step 2: Convert to fraction form
    219,011.46/302,217.72 = 123,541.62/x
  3. Step 3: Cross multiply
    219,011.46x = 302,217.72 × 123,541.62
  4. Step 4: Simplify right side
    219,011.46x = 37,336,466,721.51
  5. Step 5: Solve for x
    x = 37,336,466,721.51/219,011.46
  6. Step 6: Final answer
    x = 170,477.23

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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.