Home / 379,030.15-523,061.67-209,264.26

Finding the Fourth Proportional to 379,030.15, 523,061.67 and 209,264.26

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Solution

The fourth proportional to 379,030.15, 523,061.67 and 209,264.26 is: 288,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,030.15 : 523,061.67 = 209,264.26 : x
  2. Step 2: Convert to fraction form
    379,030.15/523,061.67 = 209,264.26/x
  3. Step 3: Cross multiply
    379,030.15x = 523,061.67 × 209,264.26
  4. Step 4: Simplify right side
    379,030.15x = 109,458,113,306.91
  5. Step 5: Solve for x
    x = 109,458,113,306.91/379,030.15
  6. Step 6: Final answer
    x = 288,784.71

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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.