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Finding the Fourth Proportional to 338,722.07, 467,442.87 and 185,750.57

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Solution

The fourth proportional to 338,722.07, 467,442.87 and 185,750.57 is: 256,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,722.07 : 467,442.87 = 185,750.57 : x
  2. Step 2: Convert to fraction form
    338,722.07/467,442.87 = 185,750.57/x
  3. Step 3: Cross multiply
    338,722.07x = 467,442.87 × 185,750.57
  4. Step 4: Simplify right side
    338,722.07x = 86,827,779,544.94
  5. Step 5: Solve for x
    x = 86,827,779,544.94/338,722.07
  6. Step 6: Final answer
    x = 256,339.30

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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.