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Finding the Fourth Proportional to 374,881.10, 561,446.85 and 367,364.30

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Solution

The fourth proportional to 374,881.10, 561,446.85 and 367,364.30 is: 550,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,881.10 : 561,446.85 = 367,364.30 : x
  2. Step 2: Convert to fraction form
    374,881.10/561,446.85 = 367,364.30/x
  3. Step 3: Cross multiply
    374,881.10x = 561,446.85 × 367,364.30
  4. Step 4: Simplify right side
    374,881.10x = 206,255,529,037.46
  5. Step 5: Solve for x
    x = 206,255,529,037.46/374,881.10
  6. Step 6: Final answer
    x = 550,189.19

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1.5x scale

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.