Home / 371,042.24-512,038.44-209,893.85

Finding the Fourth Proportional to 371,042.24, 512,038.44 and 209,893.85

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Solution

The fourth proportional to 371,042.24, 512,038.44 and 209,893.85 is: 289,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,042.24 : 512,038.44 = 209,893.85 : x
  2. Step 2: Convert to fraction form
    371,042.24/512,038.44 = 209,893.85/x
  3. Step 3: Cross multiply
    371,042.24x = 512,038.44 × 209,893.85
  4. Step 4: Simplify right side
    371,042.24x = 107,473,716,959.40
  5. Step 5: Solve for x
    x = 107,473,716,959.40/371,042.24
  6. Step 6: Final answer
    x = 289,653.59

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1.5x scale

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.