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Finding the Fourth Proportional to 446,039.66, 615,536.57 and 242,090.87

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Solution

The fourth proportional to 446,039.66, 615,536.57 and 242,090.87 is: 334,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,039.66 : 615,536.57 = 242,090.87 : x
  2. Step 2: Convert to fraction form
    446,039.66/615,536.57 = 242,090.87/x
  3. Step 3: Cross multiply
    446,039.66x = 615,536.57 × 242,090.87
  4. Step 4: Simplify right side
    446,039.66x = 149,015,784,353.34
  5. Step 5: Solve for x
    x = 149,015,784,353.34/446,039.66
  6. Step 6: Final answer
    x = 334,086.40

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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.