Home / 384,916.08-531,184.86-215,150.07

Finding the Fourth Proportional to 384,916.08, 531,184.86 and 215,150.07

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Solution

The fourth proportional to 384,916.08, 531,184.86 and 215,150.07 is: 296,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,916.08 : 531,184.86 = 215,150.07 : x
  2. Step 2: Convert to fraction form
    384,916.08/531,184.86 = 215,150.07/x
  3. Step 3: Cross multiply
    384,916.08x = 531,184.86 × 215,150.07
  4. Step 4: Simplify right side
    384,916.08x = 114,284,459,811.94
  5. Step 5: Solve for x
    x = 114,284,459,811.94/384,916.08
  6. Step 6: Final answer
    x = 296,907.47

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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.