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Finding the Fourth Proportional to 297,262.37, 446,039.36 and 139,503.65

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Solution

The fourth proportional to 297,262.37, 446,039.36 and 139,503.65 is: 209,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,262.37 : 446,039.36 = 139,503.65 : x
  2. Step 2: Convert to fraction form
    297,262.37/446,039.36 = 139,503.65/x
  3. Step 3: Cross multiply
    297,262.37x = 446,039.36 × 139,503.65
  4. Step 4: Simplify right side
    297,262.37x = 62,224,115,835.95
  5. Step 5: Solve for x
    x = 62,224,115,835.95/297,262.37
  6. Step 6: Final answer
    x = 209,323.89

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1.5x scale

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.