Home / 340,127.85-470,023.80-255,097.29

Finding the Fourth Proportional to 340,127.85, 470,023.80 and 255,097.29

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Solution

The fourth proportional to 340,127.85, 470,023.80 and 255,097.29 is: 352,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,127.85 : 470,023.80 = 255,097.29 : x
  2. Step 2: Convert to fraction form
    340,127.85/470,023.80 = 255,097.29/x
  3. Step 3: Cross multiply
    340,127.85x = 470,023.80 × 255,097.29
  4. Step 4: Simplify right side
    340,127.85x = 119,901,797,615.50
  5. Step 5: Solve for x
    x = 119,901,797,615.50/340,127.85
  6. Step 6: Final answer
    x = 352,519.79

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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.