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Finding the Fourth Proportional to 490,518, 735,379.83 and 153,385.02

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Solution

The fourth proportional to 490,518, 735,379.83 and 153,385.02 is: 229,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,518 : 735,379.83 = 153,385.02 : x
  2. Step 2: Convert to fraction form
    490,518/735,379.83 = 153,385.02/x
  3. Step 3: Cross multiply
    490,518x = 735,379.83 × 153,385.02
  4. Step 4: Simplify right side
    490,518x = 112,796,249,932.15
  5. Step 5: Solve for x
    x = 112,796,249,932.15/490,518
  6. Step 6: Final answer
    x = 229,953.33

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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.