Home / 219,015.46-302,223.24-123,545.62

Finding the Fourth Proportional to 219,015.46, 302,223.24 and 123,545.62

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Solution

The fourth proportional to 219,015.46, 302,223.24 and 123,545.62 is: 170,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,015.46 : 302,223.24 = 123,545.62 : x
  2. Step 2: Convert to fraction form
    219,015.46/302,223.24 = 123,545.62/x
  3. Step 3: Cross multiply
    219,015.46x = 302,223.24 × 123,545.62
  4. Step 4: Simplify right side
    219,015.46x = 37,338,357,564.21
  5. Step 5: Solve for x
    x = 37,338,357,564.21/219,015.46
  6. Step 6: Final answer
    x = 170,482.75

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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.