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Finding the Fourth Proportional to 306,503.32, 459,735.90 and 146,692.76

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Solution

The fourth proportional to 306,503.32, 459,735.90 and 146,692.76 is: 220,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,503.32 : 459,735.90 = 146,692.76 : x
  2. Step 2: Convert to fraction form
    306,503.32/459,735.90 = 146,692.76/x
  3. Step 3: Cross multiply
    306,503.32x = 459,735.90 × 146,692.76
  4. Step 4: Simplify right side
    306,503.32x = 67,439,928,042.08
  5. Step 5: Solve for x
    x = 67,439,928,042.08/306,503.32
  6. Step 6: Final answer
    x = 220,030.01

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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.