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Finding the Fourth Proportional to 273,029.68, 376,788.36 and 156,762.64

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Solution

The fourth proportional to 273,029.68, 376,788.36 and 156,762.64 is: 216,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,029.68 : 376,788.36 = 156,762.64 : x
  2. Step 2: Convert to fraction form
    273,029.68/376,788.36 = 156,762.64/x
  3. Step 3: Cross multiply
    273,029.68x = 376,788.36 × 156,762.64
  4. Step 4: Simplify right side
    273,029.68x = 59,066,338,034.87
  5. Step 5: Solve for x
    x = 59,066,338,034.87/273,029.68
  6. Step 6: Final answer
    x = 216,336.69

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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.