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Finding the Fourth Proportional to 371,225.63, 512,291.04 and 210,077.75

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Solution

The fourth proportional to 371,225.63, 512,291.04 and 210,077.75 is: 289,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,225.63 : 512,291.04 = 210,077.75 : x
  2. Step 2: Convert to fraction form
    371,225.63/512,291.04 = 210,077.75/x
  3. Step 3: Cross multiply
    371,225.63x = 512,291.04 × 210,077.75
  4. Step 4: Simplify right side
    371,225.63x = 107,620,949,028.36
  5. Step 5: Solve for x
    x = 107,620,949,028.36/371,225.63
  6. Step 6: Final answer
    x = 289,907.11

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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.