Home / 339,835.08-509,434.20-115,038.24

Finding the Fourth Proportional to 339,835.08, 509,434.20 and 115,038.24

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Solution

The fourth proportional to 339,835.08, 509,434.20 and 115,038.24 is: 172,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,835.08 : 509,434.20 = 115,038.24 : x
  2. Step 2: Convert to fraction form
    339,835.08/509,434.20 = 115,038.24/x
  3. Step 3: Cross multiply
    339,835.08x = 509,434.20 × 115,038.24
  4. Step 4: Simplify right side
    339,835.08x = 58,604,413,763.81
  5. Step 5: Solve for x
    x = 58,604,413,763.81/339,835.08
  6. Step 6: Final answer
    x = 172,449.57

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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.