Home / 340,787.23-470,280.20-185,739.86

Finding the Fourth Proportional to 340,787.23, 470,280.20 and 185,739.86

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Solution

The fourth proportional to 340,787.23, 470,280.20 and 185,739.86 is: 256,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,787.23 : 470,280.20 = 185,739.86 : x
  2. Step 2: Convert to fraction form
    340,787.23/470,280.20 = 185,739.86/x
  3. Step 3: Cross multiply
    340,787.23x = 470,280.20 × 185,739.86
  4. Step 4: Simplify right side
    340,787.23x = 87,349,777,580.07
  5. Step 5: Solve for x
    x = 87,349,777,580.07/340,787.23
  6. Step 6: Final answer
    x = 256,317.64

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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.