Home / 371,421.29-557,066.07-168,970.36

Finding the Fourth Proportional to 371,421.29, 557,066.07 and 168,970.36

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Solution

The fourth proportional to 371,421.29, 557,066.07 and 168,970.36 is: 253,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,421.29 : 557,066.07 = 168,970.36 : x
  2. Step 2: Convert to fraction form
    371,421.29/557,066.07 = 168,970.36/x
  3. Step 3: Cross multiply
    371,421.29x = 557,066.07 × 168,970.36
  4. Step 4: Simplify right side
    371,421.29x = 94,127,654,391.69
  5. Step 5: Solve for x
    x = 94,127,654,391.69/371,421.29
  6. Step 6: Final answer
    x = 253,425.58

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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.