Home / 340,621.83-470,058.26-197,464.86

Finding the Fourth Proportional to 340,621.83, 470,058.26 and 197,464.86

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Solution

The fourth proportional to 340,621.83, 470,058.26 and 197,464.86 is: 272,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,621.83 : 470,058.26 = 197,464.86 : x
  2. Step 2: Convert to fraction form
    340,621.83/470,058.26 = 197,464.86/x
  3. Step 3: Cross multiply
    340,621.83x = 470,058.26 × 197,464.86
  4. Step 4: Simplify right side
    340,621.83x = 92,819,987,515.42
  5. Step 5: Solve for x
    x = 92,819,987,515.42/340,621.83
  6. Step 6: Final answer
    x = 272,501.58

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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.