Home / 248,801.47-343,134.75-210,228.28

Finding the Fourth Proportional to 248,801.47, 343,134.75 and 210,228.28

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Solution

The fourth proportional to 248,801.47, 343,134.75 and 210,228.28 is: 289,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,801.47 : 343,134.75 = 210,228.28 : x
  2. Step 2: Convert to fraction form
    248,801.47/343,134.75 = 210,228.28/x
  3. Step 3: Cross multiply
    248,801.47x = 343,134.75 × 210,228.28
  4. Step 4: Simplify right side
    248,801.47x = 72,136,628,300.73
  5. Step 5: Solve for x
    x = 72,136,628,300.73/248,801.47
  6. Step 6: Final answer
    x = 289,936.50

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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.