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Finding the Fourth Proportional to 501,620.40, 752,430.60 and 235,899.90

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Solution

The fourth proportional to 501,620.40, 752,430.60 and 235,899.90 is: 353,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,620.40 : 752,430.60 = 235,899.90 : x
  2. Step 2: Convert to fraction form
    501,620.40/752,430.60 = 235,899.90/x
  3. Step 3: Cross multiply
    501,620.40x = 752,430.60 × 235,899.90
  4. Step 4: Simplify right side
    501,620.40x = 177,498,303,296.94
  5. Step 5: Solve for x
    x = 177,498,303,296.94/501,620.40
  6. Step 6: Final answer
    x = 353,849.85

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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.