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Finding the Fourth Proportional to 349,598.84, 482,483.44 and 213,712.32

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Solution

The fourth proportional to 349,598.84, 482,483.44 and 213,712.32 is: 294,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,598.84 : 482,483.44 = 213,712.32 : x
  2. Step 2: Convert to fraction form
    349,598.84/482,483.44 = 213,712.32/x
  3. Step 3: Cross multiply
    349,598.84x = 482,483.44 × 213,712.32
  4. Step 4: Simplify right side
    349,598.84x = 103,112,656,198.30
  5. Step 5: Solve for x
    x = 103,112,656,198.30/349,598.84
  6. Step 6: Final answer
    x = 294,945.65

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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.