Home / 211,810.24-317,648.06-69,622.72

Finding the Fourth Proportional to 211,810.24, 317,648.06 and 69,622.72

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Solution

The fourth proportional to 211,810.24, 317,648.06 and 69,622.72 is: 104,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,810.24 : 317,648.06 = 69,622.72 : x
  2. Step 2: Convert to fraction form
    211,810.24/317,648.06 = 69,622.72/x
  3. Step 3: Cross multiply
    211,810.24x = 317,648.06 × 69,622.72
  4. Step 4: Simplify right side
    211,810.24x = 22,115,521,939.92
  5. Step 5: Solve for x
    x = 22,115,521,939.92/211,810.24
  6. Step 6: Final answer
    x = 104,411.96

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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.