Home / 210,923.73-291,210.60-188,223.69

Finding the Fourth Proportional to 210,923.73, 291,210.60 and 188,223.69

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Solution

The fourth proportional to 210,923.73, 291,210.60 and 188,223.69 is: 259,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,923.73 : 291,210.60 = 188,223.69 : x
  2. Step 2: Convert to fraction form
    210,923.73/291,210.60 = 188,223.69/x
  3. Step 3: Cross multiply
    210,923.73x = 291,210.60 × 188,223.69
  4. Step 4: Simplify right side
    210,923.73x = 54,812,733,699.11
  5. Step 5: Solve for x
    x = 54,812,733,699.11/210,923.73
  6. Step 6: Final answer
    x = 259,869.92

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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.