Home / 340,587.86-470,011.39-197,430.94

Finding the Fourth Proportional to 340,587.86, 470,011.39 and 197,430.94

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Solution

The fourth proportional to 340,587.86, 470,011.39 and 197,430.94 is: 272,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,587.86 : 470,011.39 = 197,430.94 : x
  2. Step 2: Convert to fraction form
    340,587.86/470,011.39 = 197,430.94/x
  3. Step 3: Cross multiply
    340,587.86x = 470,011.39 × 197,430.94
  4. Step 4: Simplify right side
    340,587.86x = 92,794,790,538.41
  5. Step 5: Solve for x
    x = 92,794,790,538.41/340,587.86
  6. Step 6: Final answer
    x = 272,454.78

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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.