Home / 369,302.49-509,630.33-208,154.41

Finding the Fourth Proportional to 369,302.49, 509,630.33 and 208,154.41

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Solution

The fourth proportional to 369,302.49, 509,630.33 and 208,154.41 is: 287,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,302.49 : 509,630.33 = 208,154.41 : x
  2. Step 2: Convert to fraction form
    369,302.49/509,630.33 = 208,154.41/x
  3. Step 3: Cross multiply
    369,302.49x = 509,630.33 × 208,154.41
  4. Step 4: Simplify right side
    369,302.49x = 106,081,799,905.57
  5. Step 5: Solve for x
    x = 106,081,799,905.57/369,302.49
  6. Step 6: Final answer
    x = 287,249.08

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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.