Home / 320,807.32-442,705.23-182,983.12

Finding the Fourth Proportional to 320,807.32, 442,705.23 and 182,983.12

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Solution

The fourth proportional to 320,807.32, 442,705.23 and 182,983.12 is: 252,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,807.32 : 442,705.23 = 182,983.12 : x
  2. Step 2: Convert to fraction form
    320,807.32/442,705.23 = 182,983.12/x
  3. Step 3: Cross multiply
    320,807.32x = 442,705.23 × 182,983.12
  4. Step 4: Simplify right side
    320,807.32x = 81,007,583,118.95
  5. Step 5: Solve for x
    x = 81,007,583,118.95/320,807.32
  6. Step 6: Final answer
    x = 252,511.64

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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.