Home / 264,941.20-397,411.80-87,475.60

Finding the Fourth Proportional to 264,941.20, 397,411.80 and 87,475.60

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Solution

The fourth proportional to 264,941.20, 397,411.80 and 87,475.60 is: 131,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,941.20 : 397,411.80 = 87,475.60 : x
  2. Step 2: Convert to fraction form
    264,941.20/397,411.80 = 87,475.60/x
  3. Step 3: Cross multiply
    264,941.20x = 397,411.80 × 87,475.60
  4. Step 4: Simplify right side
    264,941.20x = 34,763,835,652.08
  5. Step 5: Solve for x
    x = 34,763,835,652.08/264,941.20
  6. Step 6: Final answer
    x = 131,213.40

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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.