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Finding the Fourth Proportional to 309,525.32, 464,298.98 and 99,135.92

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Solution

The fourth proportional to 309,525.32, 464,298.98 and 99,135.92 is: 148,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,525.32 : 464,298.98 = 99,135.92 : x
  2. Step 2: Convert to fraction form
    309,525.32/464,298.98 = 99,135.92/x
  3. Step 3: Cross multiply
    309,525.32x = 464,298.98 × 99,135.92
  4. Step 4: Simplify right side
    309,525.32x = 46,028,706,537.36
  5. Step 5: Solve for x
    x = 46,028,706,537.36/309,525.32
  6. Step 6: Final answer
    x = 148,707.40

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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.