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Finding the Fourth Proportional to 338,437.44, 507,422.88 and 160,794.72

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Solution

The fourth proportional to 338,437.44, 507,422.88 and 160,794.72 is: 241,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,437.44 : 507,422.88 = 160,794.72 : x
  2. Step 2: Convert to fraction form
    338,437.44/507,422.88 = 160,794.72/x
  3. Step 3: Cross multiply
    338,437.44x = 507,422.88 × 160,794.72
  4. Step 4: Simplify right side
    338,437.44x = 81,590,919,911.19
  5. Step 5: Solve for x
    x = 81,590,919,911.19/338,437.44
  6. Step 6: Final answer
    x = 241,081.25

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1.5x scale

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.