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Finding the Fourth Proportional to 255,075.10, 382,612.65 and 225,550.60

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Solution

The fourth proportional to 255,075.10, 382,612.65 and 225,550.60 is: 338,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,075.10 : 382,612.65 = 225,550.60 : x
  2. Step 2: Convert to fraction form
    255,075.10/382,612.65 = 225,550.60/x
  3. Step 3: Cross multiply
    255,075.10x = 382,612.65 × 225,550.60
  4. Step 4: Simplify right side
    255,075.10x = 86,298,512,775.09
  5. Step 5: Solve for x
    x = 86,298,512,775.09/255,075.10
  6. Step 6: Final answer
    x = 338,325.90

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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.