Home / 329,402.15-454,408.04-208,339.55

Finding the Fourth Proportional to 329,402.15, 454,408.04 and 208,339.55

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Solution

The fourth proportional to 329,402.15, 454,408.04 and 208,339.55 is: 287,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,402.15 : 454,408.04 = 208,339.55 : x
  2. Step 2: Convert to fraction form
    329,402.15/454,408.04 = 208,339.55/x
  3. Step 3: Cross multiply
    329,402.15x = 454,408.04 × 208,339.55
  4. Step 4: Simplify right side
    329,402.15x = 94,671,166,569.98
  5. Step 5: Solve for x
    x = 94,671,166,569.98/329,402.15
  6. Step 6: Final answer
    x = 287,403.00

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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.