Home / 246,931.64-340,763.84-139,499.72

Finding the Fourth Proportional to 246,931.64, 340,763.84 and 139,499.72

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Solution

The fourth proportional to 246,931.64, 340,763.84 and 139,499.72 is: 192,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,931.64 : 340,763.84 = 139,499.72 : x
  2. Step 2: Convert to fraction form
    246,931.64/340,763.84 = 139,499.72/x
  3. Step 3: Cross multiply
    246,931.64x = 340,763.84 × 139,499.72
  4. Step 4: Simplify right side
    246,931.64x = 47,536,460,266.12
  5. Step 5: Solve for x
    x = 47,536,460,266.12/246,931.64
  6. Step 6: Final answer
    x = 192,508.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.