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Finding the Fourth Proportional to 356,775.64, 535,252.72 and 251,799.64

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Solution

The fourth proportional to 356,775.64, 535,252.72 and 251,799.64 is: 377,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,775.64 : 535,252.72 = 251,799.64 : x
  2. Step 2: Convert to fraction form
    356,775.64/535,252.72 = 251,799.64/x
  3. Step 3: Cross multiply
    356,775.64x = 535,252.72 × 251,799.64
  4. Step 4: Simplify right side
    356,775.64x = 134,776,442,205.02
  5. Step 5: Solve for x
    x = 134,776,442,205.02/356,775.64
  6. Step 6: Final answer
    x = 377,762.46

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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.