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Finding the Fourth Proportional to 519,501.66, 779,254.65 and 164,764.86

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Solution

The fourth proportional to 519,501.66, 779,254.65 and 164,764.86 is: 247,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,501.66 : 779,254.65 = 164,764.86 : x
  2. Step 2: Convert to fraction form
    519,501.66/779,254.65 = 164,764.86/x
  3. Step 3: Cross multiply
    519,501.66x = 779,254.65 × 164,764.86
  4. Step 4: Simplify right side
    519,501.66x = 128,393,783,311.60
  5. Step 5: Solve for x
    x = 128,393,783,311.60/519,501.66
  6. Step 6: Final answer
    x = 247,147.98

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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.