Home / 320,025.98-480,037.23-130,485.61

Finding the Fourth Proportional to 320,025.98, 480,037.23 and 130,485.61

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Solution

The fourth proportional to 320,025.98, 480,037.23 and 130,485.61 is: 195,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,025.98 : 480,037.23 = 130,485.61 : x
  2. Step 2: Convert to fraction form
    320,025.98/480,037.23 = 130,485.61/x
  3. Step 3: Cross multiply
    320,025.98x = 480,037.23 × 130,485.61
  4. Step 4: Simplify right side
    320,025.98x = 62,637,950,779.26
  5. Step 5: Solve for x
    x = 62,637,950,779.26/320,025.98
  6. Step 6: Final answer
    x = 195,727.71

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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.