Home / 266,428.32-367,666.74-145,567.01

Finding the Fourth Proportional to 266,428.32, 367,666.74 and 145,567.01

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Solution

The fourth proportional to 266,428.32, 367,666.74 and 145,567.01 is: 200,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,428.32 : 367,666.74 = 145,567.01 : x
  2. Step 2: Convert to fraction form
    266,428.32/367,666.74 = 145,567.01/x
  3. Step 3: Cross multiply
    266,428.32x = 367,666.74 × 145,567.01
  4. Step 4: Simplify right side
    266,428.32x = 53,520,146,179.91
  5. Step 5: Solve for x
    x = 53,520,146,179.91/266,428.32
  6. Step 6: Final answer
    x = 200,880.09

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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.