Home / 211,390.41-316,291.08-148,333.58

Finding the Fourth Proportional to 211,390.41, 316,291.08 and 148,333.58

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Solution

The fourth proportional to 211,390.41, 316,291.08 and 148,333.58 is: 221,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,390.41 : 316,291.08 = 148,333.58 : x
  2. Step 2: Convert to fraction form
    211,390.41/316,291.08 = 148,333.58/x
  3. Step 3: Cross multiply
    211,390.41x = 316,291.08 × 148,333.58
  4. Step 4: Simplify right side
    211,390.41x = 46,916,587,544.98
  5. Step 5: Solve for x
    x = 46,916,587,544.98/211,390.41
  6. Step 6: Final answer
    x = 221,942.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.