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Finding the Fourth Proportional to 360,423.36, 497,364.14 and 199,269

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Solution

The fourth proportional to 360,423.36, 497,364.14 and 199,269 is: 274,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,423.36 : 497,364.14 = 199,269 : x
  2. Step 2: Convert to fraction form
    360,423.36/497,364.14 = 199,269/x
  3. Step 3: Cross multiply
    360,423.36x = 497,364.14 × 199,269
  4. Step 4: Simplify right side
    360,423.36x = 99,109,254,813.66
  5. Step 5: Solve for x
    x = 99,109,254,813.66/360,423.36
  6. Step 6: Final answer
    x = 274,980.11

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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.