Home / 379,894.04-524,226.12-210,131

Finding the Fourth Proportional to 379,894.04, 524,226.12 and 210,131

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Solution

The fourth proportional to 379,894.04, 524,226.12 and 210,131 is: 289,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,894.04 : 524,226.12 = 210,131 : x
  2. Step 2: Convert to fraction form
    379,894.04/524,226.12 = 210,131/x
  3. Step 3: Cross multiply
    379,894.04x = 524,226.12 × 210,131
  4. Step 4: Simplify right side
    379,894.04x = 110,156,158,821.72
  5. Step 5: Solve for x
    x = 110,156,158,821.72/379,894.04
  6. Step 6: Final answer
    x = 289,965.48

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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.