Home / 320,259.56-480,444.62-130,822.83

Finding the Fourth Proportional to 320,259.56, 480,444.62 and 130,822.83

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Solution

The fourth proportional to 320,259.56, 480,444.62 and 130,822.83 is: 196,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,259.56 : 480,444.62 = 130,822.83 : x
  2. Step 2: Convert to fraction form
    320,259.56/480,444.62 = 130,822.83/x
  3. Step 3: Cross multiply
    320,259.56x = 480,444.62 × 130,822.83
  4. Step 4: Simplify right side
    320,259.56x = 62,853,124,192.56
  5. Step 5: Solve for x
    x = 62,853,124,192.56/320,259.56
  6. Step 6: Final answer
    x = 196,256.83

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1.5x scale

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.