Home / 340,021.62-510,013.98-103,345.85

Finding the Fourth Proportional to 340,021.62, 510,013.98 and 103,345.85

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Solution

The fourth proportional to 340,021.62, 510,013.98 and 103,345.85 is: 155,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,021.62 : 510,013.98 = 103,345.85 : x
  2. Step 2: Convert to fraction form
    340,021.62/510,013.98 = 103,345.85/x
  3. Step 3: Cross multiply
    340,021.62x = 510,013.98 × 103,345.85
  4. Step 4: Simplify right side
    340,021.62x = 52,707,829,550.02
  5. Step 5: Solve for x
    x = 52,707,829,550.02/340,021.62
  6. Step 6: Final answer
    x = 155,013.17

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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.