Home / 210,925.36-291,212.84-188,225.32

Finding the Fourth Proportional to 210,925.36, 291,212.84 and 188,225.32

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Solution

The fourth proportional to 210,925.36, 291,212.84 and 188,225.32 is: 259,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,925.36 : 291,212.84 = 188,225.32 : x
  2. Step 2: Convert to fraction form
    210,925.36/291,212.84 = 188,225.32/x
  3. Step 3: Cross multiply
    210,925.36x = 291,212.84 × 188,225.32
  4. Step 4: Simplify right side
    210,925.36x = 54,813,629,997.11
  5. Step 5: Solve for x
    x = 54,813,629,997.11/210,925.36
  6. Step 6: Final answer
    x = 259,872.17

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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.