Home / 212,953.82-293,278.28-208,303.72

Finding the Fourth Proportional to 212,953.82, 293,278.28 and 208,303.72

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Solution

The fourth proportional to 212,953.82, 293,278.28 and 208,303.72 is: 286,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,953.82 : 293,278.28 = 208,303.72 : x
  2. Step 2: Convert to fraction form
    212,953.82/293,278.28 = 208,303.72/x
  3. Step 3: Cross multiply
    212,953.82x = 293,278.28 × 208,303.72
  4. Step 4: Simplify right side
    212,953.82x = 61,090,954,944.49
  5. Step 5: Solve for x
    x = 61,090,954,944.49/212,953.82
  6. Step 6: Final answer
    x = 286,874.20

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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.