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Finding the Fourth Proportional to 301,338.87, 415,820.15 and 178,810.13

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Solution

The fourth proportional to 301,338.87, 415,820.15 and 178,810.13 is: 246,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,338.87 : 415,820.15 = 178,810.13 : x
  2. Step 2: Convert to fraction form
    301,338.87/415,820.15 = 178,810.13/x
  3. Step 3: Cross multiply
    301,338.87x = 415,820.15 × 178,810.13
  4. Step 4: Simplify right side
    301,338.87x = 74,352,855,670.64
  5. Step 5: Solve for x
    x = 74,352,855,670.64/301,338.87
  6. Step 6: Final answer
    x = 246,741.67

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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.