Home / 266,240.36-367,426.64-145,392.89

Finding the Fourth Proportional to 266,240.36, 367,426.64 and 145,392.89

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Solution

The fourth proportional to 266,240.36, 367,426.64 and 145,392.89 is: 200,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,240.36 : 367,426.64 = 145,392.89 : x
  2. Step 2: Convert to fraction form
    266,240.36/367,426.64 = 145,392.89/x
  3. Step 3: Cross multiply
    266,240.36x = 367,426.64 × 145,392.89
  4. Step 4: Simplify right side
    266,240.36x = 53,421,218,488.49
  5. Step 5: Solve for x
    x = 53,421,218,488.49/266,240.36
  6. Step 6: Final answer
    x = 200,650.34

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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.