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Finding the Fourth Proportional to 340,307.69, 509,569.72 and 239,924.39

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Solution

The fourth proportional to 340,307.69, 509,569.72 and 239,924.39 is: 359,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,307.69 : 509,569.72 = 239,924.39 : x
  2. Step 2: Convert to fraction form
    340,307.69/509,569.72 = 239,924.39/x
  3. Step 3: Cross multiply
    340,307.69x = 509,569.72 × 239,924.39
  4. Step 4: Simplify right side
    340,307.69x = 122,258,201,085.81
  5. Step 5: Solve for x
    x = 122,258,201,085.81/340,307.69
  6. Step 6: Final answer
    x = 359,257.83

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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.