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Finding the Fourth Proportional to 358,824.88, 495,159.94 and 197,676.40

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Solution

The fourth proportional to 358,824.88, 495,159.94 and 197,676.40 is: 272,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,824.88 : 495,159.94 = 197,676.40 : x
  2. Step 2: Convert to fraction form
    358,824.88/495,159.94 = 197,676.40/x
  3. Step 3: Cross multiply
    358,824.88x = 495,159.94 × 197,676.40
  4. Step 4: Simplify right side
    358,824.88x = 97,881,434,363.42
  5. Step 5: Solve for x
    x = 97,881,434,363.42/358,824.88
  6. Step 6: Final answer
    x = 272,783.30

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1.5x scale

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.