Home / 353,004.14-529,731.40-128,343.02

Finding the Fourth Proportional to 353,004.14, 529,731.40 and 128,343.02

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Solution

The fourth proportional to 353,004.14, 529,731.40 and 128,343.02 is: 192,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,004.14 : 529,731.40 = 128,343.02 : x
  2. Step 2: Convert to fraction form
    353,004.14/529,731.40 = 128,343.02/x
  3. Step 3: Cross multiply
    353,004.14x = 529,731.40 × 128,343.02
  4. Step 4: Simplify right side
    353,004.14x = 67,987,327,664.83
  5. Step 5: Solve for x
    x = 67,987,327,664.83/353,004.14
  6. Step 6: Final answer
    x = 192,596.40

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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.