Home / 211,029.84-291,210.12-115,518.24

Finding the Fourth Proportional to 211,029.84, 291,210.12 and 115,518.24

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Solution

The fourth proportional to 211,029.84, 291,210.12 and 115,518.24 is: 159,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,029.84 : 291,210.12 = 115,518.24 : x
  2. Step 2: Convert to fraction form
    211,029.84/291,210.12 = 115,518.24/x
  3. Step 3: Cross multiply
    211,029.84x = 291,210.12 × 115,518.24
  4. Step 4: Simplify right side
    211,029.84x = 33,640,080,532.59
  5. Step 5: Solve for x
    x = 33,640,080,532.59/211,029.84
  6. Step 6: Final answer
    x = 159,409.12

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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.