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Finding the Fourth Proportional to 253,350.48, 349,666.52 and 145,900.72

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Solution

The fourth proportional to 253,350.48, 349,666.52 and 145,900.72 is: 201,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,350.48 : 349,666.52 = 145,900.72 : x
  2. Step 2: Convert to fraction form
    253,350.48/349,666.52 = 145,900.72/x
  3. Step 3: Cross multiply
    253,350.48x = 349,666.52 × 145,900.72
  4. Step 4: Simplify right side
    253,350.48x = 51,016,597,027.89
  5. Step 5: Solve for x
    x = 51,016,597,027.89/253,350.48
  6. Step 6: Final answer
    x = 201,367.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.