Home / 352,946.65-529,523.89-128,303.54

Finding the Fourth Proportional to 352,946.65, 529,523.89 and 128,303.54

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Solution

The fourth proportional to 352,946.65, 529,523.89 and 128,303.54 is: 192,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,946.65 : 529,523.89 = 128,303.54 : x
  2. Step 2: Convert to fraction form
    352,946.65/529,523.89 = 128,303.54/x
  3. Step 3: Cross multiply
    352,946.65x = 529,523.89 × 128,303.54
  4. Step 4: Simplify right side
    352,946.65x = 67,939,789,601.57
  5. Step 5: Solve for x
    x = 67,939,789,601.57/352,946.65
  6. Step 6: Final answer
    x = 192,493.09

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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.