Home / 388,974.24-536,784.24-210,126.24

Finding the Fourth Proportional to 388,974.24, 536,784.24 and 210,126.24

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Solution

The fourth proportional to 388,974.24, 536,784.24 and 210,126.24 is: 289,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,974.24 : 536,784.24 = 210,126.24 : x
  2. Step 2: Convert to fraction form
    388,974.24/536,784.24 = 210,126.24/x
  3. Step 3: Cross multiply
    388,974.24x = 536,784.24 × 210,126.24
  4. Step 4: Simplify right side
    388,974.24x = 112,792,454,042.46
  5. Step 5: Solve for x
    x = 112,792,454,042.46/388,974.24
  6. Step 6: Final answer
    x = 289,974.10

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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.