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Finding the Fourth Proportional to 306,214.69, 422,599.92 and 183,711.67

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Solution

The fourth proportional to 306,214.69, 422,599.92 and 183,711.67 is: 253,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,214.69 : 422,599.92 = 183,711.67 : x
  2. Step 2: Convert to fraction form
    306,214.69/422,599.92 = 183,711.67/x
  3. Step 3: Cross multiply
    306,214.69x = 422,599.92 × 183,711.67
  4. Step 4: Simplify right side
    306,214.69x = 77,636,537,045.07
  5. Step 5: Solve for x
    x = 77,636,537,045.07/306,214.69
  6. Step 6: Final answer
    x = 253,536.29

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1.5x scale

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.