Home / 370,827.20-556,386.60-146,149.40

Finding the Fourth Proportional to 370,827.20, 556,386.60 and 146,149.40

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Solution

The fourth proportional to 370,827.20, 556,386.60 and 146,149.40 is: 219,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,827.20 : 556,386.60 = 146,149.40 : x
  2. Step 2: Convert to fraction form
    370,827.20/556,386.60 = 146,149.40/x
  3. Step 3: Cross multiply
    370,827.20x = 556,386.60 × 146,149.40
  4. Step 4: Simplify right side
    370,827.20x = 81,315,567,758.04
  5. Step 5: Solve for x
    x = 81,315,567,758.04/370,827.20
  6. Step 6: Final answer
    x = 219,281.56

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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.