Home / 242,310.49-334,491.86-172,504.79

Finding the Fourth Proportional to 242,310.49, 334,491.86 and 172,504.79

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Solution

The fourth proportional to 242,310.49, 334,491.86 and 172,504.79 is: 238,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,310.49 : 334,491.86 = 172,504.79 : x
  2. Step 2: Convert to fraction form
    242,310.49/334,491.86 = 172,504.79/x
  3. Step 3: Cross multiply
    242,310.49x = 334,491.86 × 172,504.79
  4. Step 4: Simplify right side
    242,310.49x = 57,701,448,079.16
  5. Step 5: Solve for x
    x = 57,701,448,079.16/242,310.49
  6. Step 6: Final answer
    x = 238,130.21

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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.