Home / 282,583.08-422,045.49-255,875.70

Finding the Fourth Proportional to 282,583.08, 422,045.49 and 255,875.70

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Solution

The fourth proportional to 282,583.08, 422,045.49 and 255,875.70 is: 382,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,583.08 : 422,045.49 = 255,875.70 : x
  2. Step 2: Convert to fraction form
    282,583.08/422,045.49 = 255,875.70/x
  3. Step 3: Cross multiply
    282,583.08x = 422,045.49 × 255,875.70
  4. Step 4: Simplify right side
    282,583.08x = 107,991,185,185.59
  5. Step 5: Solve for x
    x = 107,991,185,185.59/282,583.08
  6. Step 6: Final answer
    x = 382,157.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.