Home / 378,022.42-567,271.02-153,383.80

Finding the Fourth Proportional to 378,022.42, 567,271.02 and 153,383.80

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Solution

The fourth proportional to 378,022.42, 567,271.02 and 153,383.80 is: 230,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,022.42 : 567,271.02 = 153,383.80 : x
  2. Step 2: Convert to fraction form
    378,022.42/567,271.02 = 153,383.80/x
  3. Step 3: Cross multiply
    378,022.42x = 567,271.02 × 153,383.80
  4. Step 4: Simplify right side
    378,022.42x = 87,010,184,677.48
  5. Step 5: Solve for x
    x = 87,010,184,677.48/378,022.42
  6. Step 6: Final answer
    x = 230,172.02

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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.