Home / 345,476.96-518,234.02-108,838.16

Finding the Fourth Proportional to 345,476.96, 518,234.02 and 108,838.16

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Solution

The fourth proportional to 345,476.96, 518,234.02 and 108,838.16 is: 163,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,476.96 : 518,234.02 = 108,838.16 : x
  2. Step 2: Convert to fraction form
    345,476.96/518,234.02 = 108,838.16/x
  3. Step 3: Cross multiply
    345,476.96x = 518,234.02 × 108,838.16
  4. Step 4: Simplify right side
    345,476.96x = 56,403,637,186.20
  5. Step 5: Solve for x
    x = 56,403,637,186.20/345,476.96
  6. Step 6: Final answer
    x = 163,263.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.