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Finding the Fourth Proportional to 333,485.50, 500,077.04 and 143,856.40

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Solution

The fourth proportional to 333,485.50, 500,077.04 and 143,856.40 is: 215,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,485.50 : 500,077.04 = 143,856.40 : x
  2. Step 2: Convert to fraction form
    333,485.50/500,077.04 = 143,856.40/x
  3. Step 3: Cross multiply
    333,485.50x = 500,077.04 × 143,856.40
  4. Step 4: Simplify right side
    333,485.50x = 71,939,282,697.06
  5. Step 5: Solve for x
    x = 71,939,282,697.06/333,485.50
  6. Step 6: Final answer
    x = 215,719.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.