Home / 315,176.16-434,963.64-179,222.72

Finding the Fourth Proportional to 315,176.16, 434,963.64 and 179,222.72

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Solution

The fourth proportional to 315,176.16, 434,963.64 and 179,222.72 is: 247,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,176.16 : 434,963.64 = 179,222.72 : x
  2. Step 2: Convert to fraction form
    315,176.16/434,963.64 = 179,222.72/x
  3. Step 3: Cross multiply
    315,176.16x = 434,963.64 × 179,222.72
  4. Step 4: Simplify right side
    315,176.16x = 77,955,366,661.90
  5. Step 5: Solve for x
    x = 77,955,366,661.90/315,176.16
  6. Step 6: Final answer
    x = 247,339.03

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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.