Home / 355,723.02-491,063.19-210,483.13

Finding the Fourth Proportional to 355,723.02, 491,063.19 and 210,483.13

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Solution

The fourth proportional to 355,723.02, 491,063.19 and 210,483.13 is: 290,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,723.02 : 491,063.19 = 210,483.13 : x
  2. Step 2: Convert to fraction form
    355,723.02/491,063.19 = 210,483.13/x
  3. Step 3: Cross multiply
    355,723.02x = 491,063.19 × 210,483.13
  4. Step 4: Simplify right side
    355,723.02x = 103,360,517,258.99
  5. Step 5: Solve for x
    x = 103,360,517,258.99/355,723.02
  6. Step 6: Final answer
    x = 290,564.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.