Home / 372,838.70-514,530.29-211,688.39

Finding the Fourth Proportional to 372,838.70, 514,530.29 and 211,688.39

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Solution

The fourth proportional to 372,838.70, 514,530.29 and 211,688.39 is: 292,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,838.70 : 514,530.29 = 211,688.39 : x
  2. Step 2: Convert to fraction form
    372,838.70/514,530.29 = 211,688.39/x
  3. Step 3: Cross multiply
    372,838.70x = 514,530.29 × 211,688.39
  4. Step 4: Simplify right side
    372,838.70x = 108,920,088,696.33
  5. Step 5: Solve for x
    x = 108,920,088,696.33/372,838.70
  6. Step 6: Final answer
    x = 292,137.29

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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.