Home / 319,135.12-440,404.26-175,895.24

Finding the Fourth Proportional to 319,135.12, 440,404.26 and 175,895.24

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Solution

The fourth proportional to 319,135.12, 440,404.26 and 175,895.24 is: 242,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,135.12 : 440,404.26 = 175,895.24 : x
  2. Step 2: Convert to fraction form
    319,135.12/440,404.26 = 175,895.24/x
  3. Step 3: Cross multiply
    319,135.12x = 440,404.26 × 175,895.24
  4. Step 4: Simplify right side
    319,135.12x = 77,465,013,009.72
  5. Step 5: Solve for x
    x = 77,465,013,009.72/319,135.12
  6. Step 6: Final answer
    x = 242,734.22

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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.