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Finding the Fourth Proportional to 360,392.61, 497,332.08 and 199,254.45

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Solution

The fourth proportional to 360,392.61, 497,332.08 and 199,254.45 is: 274,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,392.61 : 497,332.08 = 199,254.45 : x
  2. Step 2: Convert to fraction form
    360,392.61/497,332.08 = 199,254.45/x
  3. Step 3: Cross multiply
    360,392.61x = 497,332.08 × 199,254.45
  4. Step 4: Simplify right side
    360,392.61x = 99,095,630,067.76
  5. Step 5: Solve for x
    x = 99,095,630,067.76/360,392.61
  6. Step 6: Final answer
    x = 274,965.77

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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.