Home / 314,826.40-434,470.58-178,857.87

Finding the Fourth Proportional to 314,826.40, 434,470.58 and 178,857.87

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Solution

The fourth proportional to 314,826.40, 434,470.58 and 178,857.87 is: 246,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,826.40 : 434,470.58 = 178,857.87 : x
  2. Step 2: Convert to fraction form
    314,826.40/434,470.58 = 178,857.87/x
  3. Step 3: Cross multiply
    314,826.40x = 434,470.58 × 178,857.87
  4. Step 4: Simplify right side
    314,826.40x = 77,708,482,516.46
  5. Step 5: Solve for x
    x = 77,708,482,516.46/314,826.40
  6. Step 6: Final answer
    x = 246,829.63

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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.