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Finding the Fourth Proportional to 368,356.82, 508,327.12 and 205,012.22

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Solution

The fourth proportional to 368,356.82, 508,327.12 and 205,012.22 is: 282,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,356.82 : 508,327.12 = 205,012.22 : x
  2. Step 2: Convert to fraction form
    368,356.82/508,327.12 = 205,012.22/x
  3. Step 3: Cross multiply
    368,356.82x = 508,327.12 × 205,012.22
  4. Step 4: Simplify right side
    368,356.82x = 104,213,271,357.41
  5. Step 5: Solve for x
    x = 104,213,271,357.41/368,356.82
  6. Step 6: Final answer
    x = 282,913.92

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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.