Home / 378,020.16-567,111.60-188,582.40

Finding the Fourth Proportional to 378,020.16, 567,111.60 and 188,582.40

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Solution

The fourth proportional to 378,020.16, 567,111.60 and 188,582.40 is: 282,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,020.16 : 567,111.60 = 188,582.40 : x
  2. Step 2: Convert to fraction form
    378,020.16/567,111.60 = 188,582.40/x
  3. Step 3: Cross multiply
    378,020.16x = 567,111.60 × 188,582.40
  4. Step 4: Simplify right side
    378,020.16x = 106,947,266,595.84
  5. Step 5: Solve for x
    x = 106,947,266,595.84/378,020.16
  6. Step 6: Final answer
    x = 282,914.19

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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.