Home / 282,317.08-389,579.88-154,981.84

Finding the Fourth Proportional to 282,317.08, 389,579.88 and 154,981.84

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Solution

The fourth proportional to 282,317.08, 389,579.88 and 154,981.84 is: 213,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,317.08 : 389,579.88 = 154,981.84 : x
  2. Step 2: Convert to fraction form
    282,317.08/389,579.88 = 154,981.84/x
  3. Step 3: Cross multiply
    282,317.08x = 389,579.88 × 154,981.84
  4. Step 4: Simplify right side
    282,317.08x = 60,377,806,629.38
  5. Step 5: Solve for x
    x = 60,377,806,629.38/282,317.08
  6. Step 6: Final answer
    x = 213,865.23

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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.