Home / 315,052.32-434,756.48-179,068.44

Finding the Fourth Proportional to 315,052.32, 434,756.48 and 179,068.44

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Solution

The fourth proportional to 315,052.32, 434,756.48 and 179,068.44 is: 247,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,052.32 : 434,756.48 = 179,068.44 : x
  2. Step 2: Convert to fraction form
    315,052.32/434,756.48 = 179,068.44/x
  3. Step 3: Cross multiply
    315,052.32x = 434,756.48 × 179,068.44
  4. Step 4: Simplify right side
    315,052.32x = 77,851,164,653.49
  5. Step 5: Solve for x
    x = 77,851,164,653.49/315,052.32
  6. Step 6: Final answer
    x = 247,105.51

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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.