Home / 210,715.71-290,539.21-170,304.51

Finding the Fourth Proportional to 210,715.71, 290,539.21 and 170,304.51

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Solution

The fourth proportional to 210,715.71, 290,539.21 and 170,304.51 is: 234,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,715.71 : 290,539.21 = 170,304.51 : x
  2. Step 2: Convert to fraction form
    210,715.71/290,539.21 = 170,304.51/x
  3. Step 3: Cross multiply
    210,715.71x = 290,539.21 × 170,304.51
  4. Step 4: Simplify right side
    210,715.71x = 49,480,137,794.84
  5. Step 5: Solve for x
    x = 49,480,137,794.84/210,715.71
  6. Step 6: Final answer
    x = 234,819.41

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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.