Home / 371,415.33-512,584.88-210,298.77

Finding the Fourth Proportional to 371,415.33, 512,584.88 and 210,298.77

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Solution

The fourth proportional to 371,415.33, 512,584.88 and 210,298.77 is: 290,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,415.33 : 512,584.88 = 210,298.77 : x
  2. Step 2: Convert to fraction form
    371,415.33/512,584.88 = 210,298.77/x
  3. Step 3: Cross multiply
    371,415.33x = 512,584.88 × 210,298.77
  4. Step 4: Simplify right side
    371,415.33x = 107,795,968,733.10
  5. Step 5: Solve for x
    x = 107,795,968,733.10/371,415.33
  6. Step 6: Final answer
    x = 290,230.26

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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.