Home / 319,089.15-440,340.78-175,849.35

Finding the Fourth Proportional to 319,089.15, 440,340.78 and 175,849.35

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Solution

The fourth proportional to 319,089.15, 440,340.78 and 175,849.35 is: 242,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,089.15 : 440,340.78 = 175,849.35 : x
  2. Step 2: Convert to fraction form
    319,089.15/440,340.78 = 175,849.35/x
  3. Step 3: Cross multiply
    319,089.15x = 440,340.78 × 175,849.35
  4. Step 4: Simplify right side
    319,089.15x = 77,433,639,941.49
  5. Step 5: Solve for x
    x = 77,433,639,941.49/319,089.15
  6. Step 6: Final answer
    x = 242,670.86

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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.