Home / 340,125.86-470,021.03-255,095.30

Finding the Fourth Proportional to 340,125.86, 470,021.03 and 255,095.30

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Solution

The fourth proportional to 340,125.86, 470,021.03 and 255,095.30 is: 352,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,125.86 : 470,021.03 = 255,095.30 : x
  2. Step 2: Convert to fraction form
    340,125.86/470,021.03 = 255,095.30/x
  3. Step 3: Cross multiply
    340,125.86x = 470,021.03 × 255,095.30
  4. Step 4: Simplify right side
    340,125.86x = 119,900,155,654.16
  5. Step 5: Solve for x
    x = 119,900,155,654.16/340,125.86
  6. Step 6: Final answer
    x = 352,517.02

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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.