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Finding the Fourth Proportional to 306,365.66, 459,487.64 and 291,175.46

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Solution

The fourth proportional to 306,365.66, 459,487.64 and 291,175.46 is: 436,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,365.66 : 459,487.64 = 291,175.46 : x
  2. Step 2: Convert to fraction form
    306,365.66/459,487.64 = 291,175.46/x
  3. Step 3: Cross multiply
    306,365.66x = 459,487.64 × 291,175.46
  4. Step 4: Simplify right side
    306,365.66x = 133,791,524,941.31
  5. Step 5: Solve for x
    x = 133,791,524,941.31/306,365.66
  6. Step 6: Final answer
    x = 436,705.36

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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.