Home / 371,110.59-512,132.63-209,962.17

Finding the Fourth Proportional to 371,110.59, 512,132.63 and 209,962.17

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Solution

The fourth proportional to 371,110.59, 512,132.63 and 209,962.17 is: 289,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,110.59 : 512,132.63 = 209,962.17 : x
  2. Step 2: Convert to fraction form
    371,110.59/512,132.63 = 209,962.17/x
  3. Step 3: Cross multiply
    371,110.59x = 512,132.63 × 209,962.17
  4. Step 4: Simplify right side
    371,110.59x = 107,528,477,272.80
  5. Step 5: Solve for x
    x = 107,528,477,272.80/371,110.59
  6. Step 6: Final answer
    x = 289,747.80

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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.