Home / 355,393.77-533,012.02-102,619.39

Finding the Fourth Proportional to 355,393.77, 533,012.02 and 102,619.39

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Solution

The fourth proportional to 355,393.77, 533,012.02 and 102,619.39 is: 153,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,393.77 : 533,012.02 = 102,619.39 : x
  2. Step 2: Convert to fraction form
    355,393.77/533,012.02 = 102,619.39/x
  3. Step 3: Cross multiply
    355,393.77x = 533,012.02 × 102,619.39
  4. Step 4: Simplify right side
    355,393.77x = 54,697,368,355.07
  5. Step 5: Solve for x
    x = 54,697,368,355.07/355,393.77
  6. Step 6: Final answer
    x = 153,906.38

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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.