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Finding the Fourth Proportional to 268,484.39, 370,509.83 and 147,633.50

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Solution

The fourth proportional to 268,484.39, 370,509.83 and 147,633.50 is: 203,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,484.39 : 370,509.83 = 147,633.50 : x
  2. Step 2: Convert to fraction form
    268,484.39/370,509.83 = 147,633.50/x
  3. Step 3: Cross multiply
    268,484.39x = 370,509.83 × 147,633.50
  4. Step 4: Simplify right side
    268,484.39x = 54,699,660,396.59
  5. Step 5: Solve for x
    x = 54,699,660,396.59/268,484.39
  6. Step 6: Final answer
    x = 203,734.98

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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.