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Finding the Fourth Proportional to 490,870.02, 736,314.24 and 153,903.20

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Solution

The fourth proportional to 490,870.02, 736,314.24 and 153,903.20 is: 230,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,870.02 : 736,314.24 = 153,903.20 : x
  2. Step 2: Convert to fraction form
    490,870.02/736,314.24 = 153,903.20/x
  3. Step 3: Cross multiply
    490,870.02x = 736,314.24 × 153,903.20
  4. Step 4: Simplify right side
    490,870.02x = 113,321,117,741.57
  5. Step 5: Solve for x
    x = 113,321,117,741.57/490,870.02
  6. Step 6: Final answer
    x = 230,857.69

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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.