Home / 340,430.08-469,722.32-197,181.58

Finding the Fourth Proportional to 340,430.08, 469,722.32 and 197,181.58

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Solution

The fourth proportional to 340,430.08, 469,722.32 and 197,181.58 is: 272,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,430.08 : 469,722.32 = 197,181.58 : x
  2. Step 2: Convert to fraction form
    340,430.08/469,722.32 = 197,181.58/x
  3. Step 3: Cross multiply
    340,430.08x = 469,722.32 × 197,181.58
  4. Step 4: Simplify right side
    340,430.08x = 92,620,589,218.87
  5. Step 5: Solve for x
    x = 92,620,589,218.87/340,430.08
  6. Step 6: Final answer
    x = 272,069.35

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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.