Home / 371,166.03-512,209.20-210,017.85

Finding the Fourth Proportional to 371,166.03, 512,209.20 and 210,017.85

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Solution

The fourth proportional to 371,166.03, 512,209.20 and 210,017.85 is: 289,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,166.03 : 512,209.20 = 210,017.85 : x
  2. Step 2: Convert to fraction form
    371,166.03/512,209.20 = 210,017.85/x
  3. Step 3: Cross multiply
    371,166.03x = 512,209.20 × 210,017.85
  4. Step 4: Simplify right side
    371,166.03x = 107,573,074,934.22
  5. Step 5: Solve for x
    x = 107,573,074,934.22/371,166.03
  6. Step 6: Final answer
    x = 289,824.68

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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.