Home / 371,279.21-556,829.57-171,407.61

Finding the Fourth Proportional to 371,279.21, 556,829.57 and 171,407.61

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Solution

The fourth proportional to 371,279.21, 556,829.57 and 171,407.61 is: 257,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,279.21 : 556,829.57 = 171,407.61 : x
  2. Step 2: Convert to fraction form
    371,279.21/556,829.57 = 171,407.61/x
  3. Step 3: Cross multiply
    371,279.21x = 556,829.57 × 171,407.61
  4. Step 4: Simplify right side
    371,279.21x = 95,444,824,913.99
  5. Step 5: Solve for x
    x = 95,444,824,913.99/371,279.21
  6. Step 6: Final answer
    x = 257,070.21

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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.