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Finding the Fourth Proportional to 364,173.70, 502,670.82 and 211,250.56

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Solution

The fourth proportional to 364,173.70, 502,670.82 and 211,250.56 is: 291,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,173.70 : 502,670.82 = 211,250.56 : x
  2. Step 2: Convert to fraction form
    364,173.70/502,670.82 = 211,250.56/x
  3. Step 3: Cross multiply
    364,173.70x = 502,670.82 × 211,250.56
  4. Step 4: Simplify right side
    364,173.70x = 106,189,492,220.66
  5. Step 5: Solve for x
    x = 106,189,492,220.66/364,173.70
  6. Step 6: Final answer
    x = 291,590.23

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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.