Home / 347,530.08-479,448.96-211,454.94

Finding the Fourth Proportional to 347,530.08, 479,448.96 and 211,454.94

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Solution

The fourth proportional to 347,530.08, 479,448.96 and 211,454.94 is: 291,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,530.08 : 479,448.96 = 211,454.94 : x
  2. Step 2: Convert to fraction form
    347,530.08/479,448.96 = 211,454.94/x
  3. Step 3: Cross multiply
    347,530.08x = 479,448.96 × 211,454.94
  4. Step 4: Simplify right side
    347,530.08x = 101,381,851,069.86
  5. Step 5: Solve for x
    x = 101,381,851,069.86/347,530.08
  6. Step 6: Final answer
    x = 291,721.08

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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.