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Finding the Fourth Proportional to 306,950.16, 460,464.12 and 85,334.16

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Solution

The fourth proportional to 306,950.16, 460,464.12 and 85,334.16 is: 128,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,950.16 : 460,464.12 = 85,334.16 : x
  2. Step 2: Convert to fraction form
    306,950.16/460,464.12 = 85,334.16/x
  3. Step 3: Cross multiply
    306,950.16x = 460,464.12 × 85,334.16
  4. Step 4: Simplify right side
    306,950.16x = 39,293,318,890.34
  5. Step 5: Solve for x
    x = 39,293,318,890.34/306,950.16
  6. Step 6: Final answer
    x = 128,012.05

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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.