Home / 238,434.72-328,903.03-148,855.20

Finding the Fourth Proportional to 238,434.72, 328,903.03 and 148,855.20

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Solution

The fourth proportional to 238,434.72, 328,903.03 and 148,855.20 is: 205,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,434.72 : 328,903.03 = 148,855.20 : x
  2. Step 2: Convert to fraction form
    238,434.72/328,903.03 = 148,855.20/x
  3. Step 3: Cross multiply
    238,434.72x = 328,903.03 × 148,855.20
  4. Step 4: Simplify right side
    238,434.72x = 48,958,926,311.26
  5. Step 5: Solve for x
    x = 48,958,926,311.26/238,434.72
  6. Step 6: Final answer
    x = 205,334.72

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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.