Home / 356,225.08-491,636.10-205,323.16

Finding the Fourth Proportional to 356,225.08, 491,636.10 and 205,323.16

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Solution

The fourth proportional to 356,225.08, 491,636.10 and 205,323.16 is: 283,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,225.08 : 491,636.10 = 205,323.16 : x
  2. Step 2: Convert to fraction form
    356,225.08/491,636.10 = 205,323.16/x
  3. Step 3: Cross multiply
    356,225.08x = 491,636.10 × 205,323.16
  4. Step 4: Simplify right side
    356,225.08x = 100,944,277,622.08
  5. Step 5: Solve for x
    x = 100,944,277,622.08/356,225.08
  6. Step 6: Final answer
    x = 283,372.18

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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.