Home / 370,823.70-556,381.35-146,145.90

Finding the Fourth Proportional to 370,823.70, 556,381.35 and 146,145.90

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Solution

The fourth proportional to 370,823.70, 556,381.35 and 146,145.90 is: 219,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.70 : 556,381.35 = 146,145.90 : x
  2. Step 2: Convert to fraction form
    370,823.70/556,381.35 = 146,145.90/x
  3. Step 3: Cross multiply
    370,823.70x = 556,381.35 × 146,145.90
  4. Step 4: Simplify right side
    370,823.70x = 81,312,853,138.97
  5. Step 5: Solve for x
    x = 81,312,853,138.97/370,823.70
  6. Step 6: Final answer
    x = 219,276.31

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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.