Home / 353,056.48-529,588.42-139,876.26

Finding the Fourth Proportional to 353,056.48, 529,588.42 and 139,876.26

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Solution

The fourth proportional to 353,056.48, 529,588.42 and 139,876.26 is: 209,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,056.48 : 529,588.42 = 139,876.26 : x
  2. Step 2: Convert to fraction form
    353,056.48/529,588.42 = 139,876.26/x
  3. Step 3: Cross multiply
    353,056.48x = 529,588.42 × 139,876.26
  4. Step 4: Simplify right side
    353,056.48x = 74,076,847,528.91
  5. Step 5: Solve for x
    x = 74,076,847,528.91/353,056.48
  6. Step 6: Final answer
    x = 209,815.86

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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.