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Finding the Fourth Proportional to 465,250.32, 697,379.30 and 265,139.82

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Solution

The fourth proportional to 465,250.32, 697,379.30 and 265,139.82 is: 397,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,250.32 : 697,379.30 = 265,139.82 : x
  2. Step 2: Convert to fraction form
    465,250.32/697,379.30 = 265,139.82/x
  3. Step 3: Cross multiply
    465,250.32x = 697,379.30 × 265,139.82
  4. Step 4: Simplify right side
    465,250.32x = 184,903,020,015.91
  5. Step 5: Solve for x
    x = 184,903,020,015.91/465,250.32
  6. Step 6: Final answer
    x = 397,426.96

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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.