Home / 219,477.33-302,903.28-123,990.17

Finding the Fourth Proportional to 219,477.33, 302,903.28 and 123,990.17

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Solution

The fourth proportional to 219,477.33, 302,903.28 and 123,990.17 is: 171,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,477.33 : 302,903.28 = 123,990.17 : x
  2. Step 2: Convert to fraction form
    219,477.33/302,903.28 = 123,990.17/x
  3. Step 3: Cross multiply
    219,477.33x = 302,903.28 × 123,990.17
  4. Step 4: Simplify right side
    219,477.33x = 37,557,027,666.24
  5. Step 5: Solve for x
    x = 37,557,027,666.24/219,477.33
  6. Step 6: Final answer
    x = 171,120.31

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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.