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Finding the Fourth Proportional to 343,683.72, 515,534.22 and 94,365

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Solution

The fourth proportional to 343,683.72, 515,534.22 and 94,365 is: 141,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,683.72 : 515,534.22 = 94,365 : x
  2. Step 2: Convert to fraction form
    343,683.72/515,534.22 = 94,365/x
  3. Step 3: Cross multiply
    343,683.72x = 515,534.22 × 94,365
  4. Step 4: Simplify right side
    343,683.72x = 48,648,386,670.30
  5. Step 5: Solve for x
    x = 48,648,386,670.30/343,683.72
  6. Step 6: Final answer
    x = 141,549.87

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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.