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Finding the Fourth Proportional to 343,488.64, 473,924.64 and 198,258.88

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Solution

The fourth proportional to 343,488.64, 473,924.64 and 198,258.88 is: 273,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,488.64 : 473,924.64 = 198,258.88 : x
  2. Step 2: Convert to fraction form
    343,488.64/473,924.64 = 198,258.88/x
  3. Step 3: Cross multiply
    343,488.64x = 473,924.64 × 198,258.88
  4. Step 4: Simplify right side
    343,488.64x = 93,959,768,330.80
  5. Step 5: Solve for x
    x = 93,959,768,330.80/343,488.64
  6. Step 6: Final answer
    x = 273,545.49

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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.