Home / 210,299.60-290,217.84-114,810.32

Finding the Fourth Proportional to 210,299.60, 290,217.84 and 114,810.32

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Solution

The fourth proportional to 210,299.60, 290,217.84 and 114,810.32 is: 158,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,299.60 : 290,217.84 = 114,810.32 : x
  2. Step 2: Convert to fraction form
    210,299.60/290,217.84 = 114,810.32/x
  3. Step 3: Cross multiply
    210,299.60x = 290,217.84 × 114,810.32
  4. Step 4: Simplify right side
    210,299.60x = 33,320,003,080.11
  5. Step 5: Solve for x
    x = 33,320,003,080.11/210,299.60
  6. Step 6: Final answer
    x = 158,440.64

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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.