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Finding the Fourth Proportional to 340,946.88, 470,333.76 and 260,234.28

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Solution

The fourth proportional to 340,946.88, 470,333.76 and 260,234.28 is: 358,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,946.88 : 470,333.76 = 260,234.28 : x
  2. Step 2: Convert to fraction form
    340,946.88/470,333.76 = 260,234.28/x
  3. Step 3: Cross multiply
    340,946.88x = 470,333.76 × 260,234.28
  4. Step 4: Simplify right side
    340,946.88x = 122,396,967,393.29
  5. Step 5: Solve for x
    x = 122,396,967,393.29/340,946.88
  6. Step 6: Final answer
    x = 358,991.31

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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.