Home / 371,327.76-557,021.07-105,089.94

Finding the Fourth Proportional to 371,327.76, 557,021.07 and 105,089.94

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Solution

The fourth proportional to 371,327.76, 557,021.07 and 105,089.94 is: 157,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,327.76 : 557,021.07 = 105,089.94 : x
  2. Step 2: Convert to fraction form
    371,327.76/557,021.07 = 105,089.94/x
  3. Step 3: Cross multiply
    371,327.76x = 557,021.07 × 105,089.94
  4. Step 4: Simplify right side
    371,327.76x = 58,537,310,825.04
  5. Step 5: Solve for x
    x = 58,537,310,825.04/371,327.76
  6. Step 6: Final answer
    x = 157,643.24

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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.