Home / 264,927.64-397,381.38-87,429.40

Finding the Fourth Proportional to 264,927.64, 397,381.38 and 87,429.40

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Solution

The fourth proportional to 264,927.64, 397,381.38 and 87,429.40 is: 131,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,927.64 : 397,381.38 = 87,429.40 : x
  2. Step 2: Convert to fraction form
    264,927.64/397,381.38 = 87,429.40/x
  3. Step 3: Cross multiply
    264,927.64x = 397,381.38 × 87,429.40
  4. Step 4: Simplify right side
    264,927.64x = 34,742,815,624.57
  5. Step 5: Solve for x
    x = 34,742,815,624.57/264,927.64
  6. Step 6: Final answer
    x = 131,140.77

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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.