Home / 348,141.17-522,250.81-312,382.66

Finding the Fourth Proportional to 348,141.17, 522,250.81 and 312,382.66

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Solution

The fourth proportional to 348,141.17, 522,250.81 and 312,382.66 is: 468,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,141.17 : 522,250.81 = 312,382.66 : x
  2. Step 2: Convert to fraction form
    348,141.17/522,250.81 = 312,382.66/x
  3. Step 3: Cross multiply
    348,141.17x = 522,250.81 × 312,382.66
  4. Step 4: Simplify right side
    348,141.17x = 163,142,095,128.37
  5. Step 5: Solve for x
    x = 163,142,095,128.37/348,141.17
  6. Step 6: Final answer
    x = 468,609.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.