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Finding the Fourth Proportional to 251,484.99, 377,393.67 and 118,403.30

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Solution

The fourth proportional to 251,484.99, 377,393.67 and 118,403.30 is: 177,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,484.99 : 377,393.67 = 118,403.30 : x
  2. Step 2: Convert to fraction form
    251,484.99/377,393.67 = 118,403.30/x
  3. Step 3: Cross multiply
    251,484.99x = 377,393.67 × 118,403.30
  4. Step 4: Simplify right side
    251,484.99x = 44,684,657,203.60
  5. Step 5: Solve for x
    x = 44,684,657,203.60/251,484.99
  6. Step 6: Final answer
    x = 177,683.20

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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.