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Finding the Fourth Proportional to 374,153.50, 561,369.68 and 224,501.20

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Solution

The fourth proportional to 374,153.50, 561,369.68 and 224,501.20 is: 336,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,153.50 : 561,369.68 = 224,501.20 : x
  2. Step 2: Convert to fraction form
    374,153.50/561,369.68 = 224,501.20/x
  3. Step 3: Cross multiply
    374,153.50x = 561,369.68 × 224,501.20
  4. Step 4: Simplify right side
    374,153.50x = 126,028,166,803.62
  5. Step 5: Solve for x
    x = 126,028,166,803.62/374,153.50
  6. Step 6: Final answer
    x = 336,835.46

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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.