Home / 228,915.06-343,365.30-60,430.20

Finding the Fourth Proportional to 228,915.06, 343,365.30 and 60,430.20

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Solution

The fourth proportional to 228,915.06, 343,365.30 and 60,430.20 is: 90,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,915.06 : 343,365.30 = 60,430.20 : x
  2. Step 2: Convert to fraction form
    228,915.06/343,365.30 = 60,430.20/x
  3. Step 3: Cross multiply
    228,915.06x = 343,365.30 × 60,430.20
  4. Step 4: Simplify right side
    228,915.06x = 20,749,633,752.06
  5. Step 5: Solve for x
    x = 20,749,633,752.06/228,915.06
  6. Step 6: Final answer
    x = 90,643.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.