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Finding the Fourth Proportional to 296,802.67, 444,139.79 and 256,958.69

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Solution

The fourth proportional to 296,802.67, 444,139.79 and 256,958.69 is: 384,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,802.67 : 444,139.79 = 256,958.69 : x
  2. Step 2: Convert to fraction form
    296,802.67/444,139.79 = 256,958.69/x
  3. Step 3: Cross multiply
    296,802.67x = 444,139.79 × 256,958.69
  4. Step 4: Simplify right side
    296,802.67x = 114,125,578,615.28
  5. Step 5: Solve for x
    x = 114,125,578,615.28/296,802.67
  6. Step 6: Final answer
    x = 384,516.68

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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.