Home / 340,126.86-470,022.41-255,096.30

Finding the Fourth Proportional to 340,126.86, 470,022.41 and 255,096.30

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Solution

The fourth proportional to 340,126.86, 470,022.41 and 255,096.30 is: 352,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,126.86 : 470,022.41 = 255,096.30 : x
  2. Step 2: Convert to fraction form
    340,126.86/470,022.41 = 255,096.30/x
  3. Step 3: Cross multiply
    340,126.86x = 470,022.41 × 255,096.30
  4. Step 4: Simplify right side
    340,126.86x = 119,900,977,708.08
  5. Step 5: Solve for x
    x = 119,900,977,708.08/340,126.86
  6. Step 6: Final answer
    x = 352,518.40

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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.