Home / 356,728.08-492,215.44-211,507.04

Finding the Fourth Proportional to 356,728.08, 492,215.44 and 211,507.04

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Solution

The fourth proportional to 356,728.08, 492,215.44 and 211,507.04 is: 291,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,728.08 : 492,215.44 = 211,507.04 : x
  2. Step 2: Convert to fraction form
    356,728.08/492,215.44 = 211,507.04/x
  3. Step 3: Cross multiply
    356,728.08x = 492,215.44 × 211,507.04
  4. Step 4: Simplify right side
    356,728.08x = 104,107,030,756.70
  5. Step 5: Solve for x
    x = 104,107,030,756.70/356,728.08
  6. Step 6: Final answer
    x = 291,838.62

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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.