Home / 377,918.10-521,507.29-234,675.07

Finding the Fourth Proportional to 377,918.10, 521,507.29 and 234,675.07

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Solution

The fourth proportional to 377,918.10, 521,507.29 and 234,675.07 is: 323,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,918.10 : 521,507.29 = 234,675.07 : x
  2. Step 2: Convert to fraction form
    377,918.10/521,507.29 = 234,675.07/x
  3. Step 3: Cross multiply
    377,918.10x = 521,507.29 × 234,675.07
  4. Step 4: Simplify right side
    377,918.10x = 122,384,759,786.26
  5. Step 5: Solve for x
    x = 122,384,759,786.26/377,918.10
  6. Step 6: Final answer
    x = 323,839.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.