Home / 366,924.80-506,461.20-216,109.28

Finding the Fourth Proportional to 366,924.80, 506,461.20 and 216,109.28

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Solution

The fourth proportional to 366,924.80, 506,461.20 and 216,109.28 is: 298,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.80 : 506,461.20 = 216,109.28 : x
  2. Step 2: Convert to fraction form
    366,924.80/506,461.20 = 216,109.28/x
  3. Step 3: Cross multiply
    366,924.80x = 506,461.20 × 216,109.28
  4. Step 4: Simplify right side
    366,924.80x = 109,450,965,279.94
  5. Step 5: Solve for x
    x = 109,450,965,279.94/366,924.80
  6. Step 6: Final answer
    x = 298,292.63

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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.