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Finding the Fourth Proportional to 234,453.32, 323,526.44 and 137,646.98

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Solution

The fourth proportional to 234,453.32, 323,526.44 and 137,646.98 is: 189,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,453.32 : 323,526.44 = 137,646.98 : x
  2. Step 2: Convert to fraction form
    234,453.32/323,526.44 = 137,646.98/x
  3. Step 3: Cross multiply
    234,453.32x = 323,526.44 × 137,646.98
  4. Step 4: Simplify right side
    234,453.32x = 44,532,437,416.15
  5. Step 5: Solve for x
    x = 44,532,437,416.15/234,453.32
  6. Step 6: Final answer
    x = 189,941.59

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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.