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Finding the Fourth Proportional to 440,361.42, 607,701.87 and 239,157.42

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Solution

The fourth proportional to 440,361.42, 607,701.87 and 239,157.42 is: 330,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,361.42 : 607,701.87 = 239,157.42 : x
  2. Step 2: Convert to fraction form
    440,361.42/607,701.87 = 239,157.42/x
  3. Step 3: Cross multiply
    440,361.42x = 607,701.87 × 239,157.42
  4. Step 4: Simplify right side
    440,361.42x = 145,336,411,358.38
  5. Step 5: Solve for x
    x = 145,336,411,358.38/440,361.42
  6. Step 6: Final answer
    x = 330,038.93

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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.