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Finding the Fourth Proportional to 519,820.58, 779,758.68 and 164,862.92

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Solution

The fourth proportional to 519,820.58, 779,758.68 and 164,862.92 is: 247,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,820.58 : 779,758.68 = 164,862.92 : x
  2. Step 2: Convert to fraction form
    519,820.58/779,758.68 = 164,862.92/x
  3. Step 3: Cross multiply
    519,820.58x = 779,758.68 × 164,862.92
  4. Step 4: Simplify right side
    519,820.58x = 128,553,292,880.15
  5. Step 5: Solve for x
    x = 128,553,292,880.15/519,820.58
  6. Step 6: Final answer
    x = 247,303.20

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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.