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Finding the Fourth Proportional to 370,860.66, 555,915.83 and 146,133.72

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Solution

The fourth proportional to 370,860.66, 555,915.83 and 146,133.72 is: 219,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,860.66 : 555,915.83 = 146,133.72 : x
  2. Step 2: Convert to fraction form
    370,860.66/555,915.83 = 146,133.72/x
  3. Step 3: Cross multiply
    370,860.66x = 555,915.83 × 146,133.72
  4. Step 4: Simplify right side
    370,860.66x = 81,238,047,514.12
  5. Step 5: Solve for x
    x = 81,238,047,514.12/370,860.66
  6. Step 6: Final answer
    x = 219,052.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.