Home / 210,923.36-291,210.08-188,223.32

Finding the Fourth Proportional to 210,923.36, 291,210.08 and 188,223.32

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Solution

The fourth proportional to 210,923.36, 291,210.08 and 188,223.32 is: 259,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,923.36 : 291,210.08 = 188,223.32 : x
  2. Step 2: Convert to fraction form
    210,923.36/291,210.08 = 188,223.32/x
  3. Step 3: Cross multiply
    210,923.36x = 291,210.08 × 188,223.32
  4. Step 4: Simplify right side
    210,923.36x = 54,812,525,677.90
  5. Step 5: Solve for x
    x = 54,812,525,677.90/210,923.36
  6. Step 6: Final answer
    x = 259,869.40

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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.