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Finding the Fourth Proportional to 318,816.02, 439,969.02 and 175,576.64

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Solution

The fourth proportional to 318,816.02, 439,969.02 and 175,576.64 is: 242,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,816.02 : 439,969.02 = 175,576.64 : x
  2. Step 2: Convert to fraction form
    318,816.02/439,969.02 = 175,576.64/x
  3. Step 3: Cross multiply
    318,816.02x = 439,969.02 × 175,576.64
  4. Step 4: Simplify right side
    318,816.02x = 77,248,282,235.69
  5. Step 5: Solve for x
    x = 77,248,282,235.69/318,816.02
  6. Step 6: Final answer
    x = 242,297.37

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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.