Home / 353,039.04-486,725.76-292,386.24

Finding the Fourth Proportional to 353,039.04, 486,725.76 and 292,386.24

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Solution

The fourth proportional to 353,039.04, 486,725.76 and 292,386.24 is: 403,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,039.04 : 486,725.76 = 292,386.24 : x
  2. Step 2: Convert to fraction form
    353,039.04/486,725.76 = 292,386.24/x
  3. Step 3: Cross multiply
    353,039.04x = 486,725.76 × 292,386.24
  4. Step 4: Simplify right side
    353,039.04x = 142,311,914,877.54
  5. Step 5: Solve for x
    x = 142,311,914,877.54/353,039.04
  6. Step 6: Final answer
    x = 403,105.32

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1.5x scale

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.