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Finding the Fourth Proportional to 430,184.64, 644,389.20 and 252,150.96

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Solution

The fourth proportional to 430,184.64, 644,389.20 and 252,150.96 is: 377,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,184.64 : 644,389.20 = 252,150.96 : x
  2. Step 2: Convert to fraction form
    430,184.64/644,389.20 = 252,150.96/x
  3. Step 3: Cross multiply
    430,184.64x = 644,389.20 × 252,150.96
  4. Step 4: Simplify right side
    430,184.64x = 162,483,355,393.63
  5. Step 5: Solve for x
    x = 162,483,355,393.63/430,184.64
  6. Step 6: Final answer
    x = 377,706.08

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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.