Home / 212,303.77-292,931.03-154,974.33

Finding the Fourth Proportional to 212,303.77, 292,931.03 and 154,974.33

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Solution

The fourth proportional to 212,303.77, 292,931.03 and 154,974.33 is: 213,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,303.77 : 292,931.03 = 154,974.33 : x
  2. Step 2: Convert to fraction form
    212,303.77/292,931.03 = 154,974.33/x
  3. Step 3: Cross multiply
    212,303.77x = 292,931.03 × 154,974.33
  4. Step 4: Simplify right side
    212,303.77x = 45,396,790,497.90
  5. Step 5: Solve for x
    x = 45,396,790,497.90/212,303.77
  6. Step 6: Final answer
    x = 213,829.42

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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.