Home / 409,848.74-565,594.55-228,572.36

Finding the Fourth Proportional to 409,848.74, 565,594.55 and 228,572.36

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Solution

The fourth proportional to 409,848.74, 565,594.55 and 228,572.36 is: 315,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,848.74 : 565,594.55 = 228,572.36 : x
  2. Step 2: Convert to fraction form
    409,848.74/565,594.55 = 228,572.36/x
  3. Step 3: Cross multiply
    409,848.74x = 565,594.55 × 228,572.36
  4. Step 4: Simplify right side
    409,848.74x = 129,279,277,125.80
  5. Step 5: Solve for x
    x = 129,279,277,125.80/409,848.74
  6. Step 6: Final answer
    x = 315,431.69

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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.