Home / 379,664.55-569,502.90-99,181.80

Finding the Fourth Proportional to 379,664.55, 569,502.90 and 99,181.80

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Solution

The fourth proportional to 379,664.55, 569,502.90 and 99,181.80 is: 148,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,664.55 : 569,502.90 = 99,181.80 : x
  2. Step 2: Convert to fraction form
    379,664.55/569,502.90 = 99,181.80/x
  3. Step 3: Cross multiply
    379,664.55x = 569,502.90 × 99,181.80
  4. Step 4: Simplify right side
    379,664.55x = 56,484,322,727.22
  5. Step 5: Solve for x
    x = 56,484,322,727.22/379,664.55
  6. Step 6: Final answer
    x = 148,774.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.