Home / 350,938.72-484,177.63-286,296.20

Finding the Fourth Proportional to 350,938.72, 484,177.63 and 286,296.20

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Solution

The fourth proportional to 350,938.72, 484,177.63 and 286,296.20 is: 394,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,938.72 : 484,177.63 = 286,296.20 : x
  2. Step 2: Convert to fraction form
    350,938.72/484,177.63 = 286,296.20/x
  3. Step 3: Cross multiply
    350,938.72x = 484,177.63 × 286,296.20
  4. Step 4: Simplify right side
    350,938.72x = 138,618,217,533.35
  5. Step 5: Solve for x
    x = 138,618,217,533.35/350,938.72
  6. Step 6: Final answer
    x = 394,992.66

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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.