Home / 211,007.82-316,510.35-53,236.43

Finding the Fourth Proportional to 211,007.82, 316,510.35 and 53,236.43

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Solution

The fourth proportional to 211,007.82, 316,510.35 and 53,236.43 is: 79,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.82 : 316,510.35 = 53,236.43 : x
  2. Step 2: Convert to fraction form
    211,007.82/316,510.35 = 53,236.43/x
  3. Step 3: Cross multiply
    211,007.82x = 316,510.35 × 53,236.43
  4. Step 4: Simplify right side
    211,007.82x = 16,849,879,509.50
  5. Step 5: Solve for x
    x = 16,849,879,509.50/211,007.82
  6. Step 6: Final answer
    x = 79,854.29

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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.