Home / 389,822.04-537,954.48-210,974.04

Finding the Fourth Proportional to 389,822.04, 537,954.48 and 210,974.04

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Solution

The fourth proportional to 389,822.04, 537,954.48 and 210,974.04 is: 291,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,822.04 : 537,954.48 = 210,974.04 : x
  2. Step 2: Convert to fraction form
    389,822.04/537,954.48 = 210,974.04/x
  3. Step 3: Cross multiply
    389,822.04x = 537,954.48 × 210,974.04
  4. Step 4: Simplify right side
    389,822.04x = 113,494,429,981.70
  5. Step 5: Solve for x
    x = 113,494,429,981.70/389,822.04
  6. Step 6: Final answer
    x = 291,144.21

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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.