Home / 379,207.59-523,302.98-209,443.83

Finding the Fourth Proportional to 379,207.59, 523,302.98 and 209,443.83

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Solution

The fourth proportional to 379,207.59, 523,302.98 and 209,443.83 is: 289,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,207.59 : 523,302.98 = 209,443.83 : x
  2. Step 2: Convert to fraction form
    379,207.59/523,302.98 = 209,443.83/x
  3. Step 3: Cross multiply
    379,207.59x = 523,302.98 × 209,443.83
  4. Step 4: Simplify right side
    379,207.59x = 109,602,579,334.39
  5. Step 5: Solve for x
    x = 109,602,579,334.39/379,207.59
  6. Step 6: Final answer
    x = 289,030.55

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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.