Home / 211,024.84-291,203.22-115,513.24

Finding the Fourth Proportional to 211,024.84, 291,203.22 and 115,513.24

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Solution

The fourth proportional to 211,024.84, 291,203.22 and 115,513.24 is: 159,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.84 : 291,203.22 = 115,513.24 : x
  2. Step 2: Convert to fraction form
    211,024.84/291,203.22 = 115,513.24/x
  3. Step 3: Cross multiply
    211,024.84x = 291,203.22 × 115,513.24
  4. Step 4: Simplify right side
    211,024.84x = 33,637,827,440.63
  5. Step 5: Solve for x
    x = 33,637,827,440.63/211,024.84
  6. Step 6: Final answer
    x = 159,402.22

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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.