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Finding the Fourth Proportional to 467,352.45, 700,011.70 and 307,247.65

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Solution

The fourth proportional to 467,352.45, 700,011.70 and 307,247.65 is: 460,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,352.45 : 700,011.70 = 307,247.65 : x
  2. Step 2: Convert to fraction form
    467,352.45/700,011.70 = 307,247.65/x
  3. Step 3: Cross multiply
    467,352.45x = 700,011.70 × 307,247.65
  4. Step 4: Simplify right side
    467,352.45x = 215,076,949,797.51
  5. Step 5: Solve for x
    x = 215,076,949,797.51/467,352.45
  6. Step 6: Final answer
    x = 460,202.89

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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.