Home / 328,947.36-493,483.37-104,364.33

Finding the Fourth Proportional to 328,947.36, 493,483.37 and 104,364.33

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Solution

The fourth proportional to 328,947.36, 493,483.37 and 104,364.33 is: 156,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,947.36 : 493,483.37 = 104,364.33 : x
  2. Step 2: Convert to fraction form
    328,947.36/493,483.37 = 104,364.33/x
  3. Step 3: Cross multiply
    328,947.36x = 493,483.37 × 104,364.33
  4. Step 4: Simplify right side
    328,947.36x = 51,502,060,754.37
  5. Step 5: Solve for x
    x = 51,502,060,754.37/328,947.36
  6. Step 6: Final answer
    x = 156,566.27

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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.