Home / 347,746.40-521,619.60-269,014.40

Finding the Fourth Proportional to 347,746.40, 521,619.60 and 269,014.40

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Solution

The fourth proportional to 347,746.40, 521,619.60 and 269,014.40 is: 403,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,746.40 : 521,619.60 = 269,014.40 : x
  2. Step 2: Convert to fraction form
    347,746.40/521,619.60 = 269,014.40/x
  3. Step 3: Cross multiply
    347,746.40x = 521,619.60 × 269,014.40
  4. Step 4: Simplify right side
    347,746.40x = 140,323,183,722.24
  5. Step 5: Solve for x
    x = 140,323,183,722.24/347,746.40
  6. Step 6: Final answer
    x = 403,521.60

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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.