Home / 211,440.61-291,792.05-115,941.61

Finding the Fourth Proportional to 211,440.61, 291,792.05 and 115,941.61

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Solution

The fourth proportional to 211,440.61, 291,792.05 and 115,941.61 is: 160,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,440.61 : 291,792.05 = 115,941.61 : x
  2. Step 2: Convert to fraction form
    211,440.61/291,792.05 = 115,941.61/x
  3. Step 3: Cross multiply
    211,440.61x = 291,792.05 × 115,941.61
  4. Step 4: Simplify right side
    211,440.61x = 33,830,839,482.49
  5. Step 5: Solve for x
    x = 33,830,839,482.49/211,440.61
  6. Step 6: Final answer
    x = 160,001.62

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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.