Home / 352,938.50-529,173.71-128,272.24

Finding the Fourth Proportional to 352,938.50, 529,173.71 and 128,272.24

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Solution

The fourth proportional to 352,938.50, 529,173.71 and 128,272.24 is: 192,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,938.50 : 529,173.71 = 128,272.24 : x
  2. Step 2: Convert to fraction form
    352,938.50/529,173.71 = 128,272.24/x
  3. Step 3: Cross multiply
    352,938.50x = 529,173.71 × 128,272.24
  4. Step 4: Simplify right side
    352,938.50x = 67,878,297,631.94
  5. Step 5: Solve for x
    x = 67,878,297,631.94/352,938.50
  6. Step 6: Final answer
    x = 192,323.30

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1.5x scale

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.