Home / 211,583.12-317,373.31-53,810.21

Finding the Fourth Proportional to 211,583.12, 317,373.31 and 53,810.21

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Solution

The fourth proportional to 211,583.12, 317,373.31 and 53,810.21 is: 80,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,583.12 : 317,373.31 = 53,810.21 : x
  2. Step 2: Convert to fraction form
    211,583.12/317,373.31 = 53,810.21/x
  3. Step 3: Cross multiply
    211,583.12x = 317,373.31 × 53,810.21
  4. Step 4: Simplify right side
    211,583.12x = 17,077,924,459.50
  5. Step 5: Solve for x
    x = 17,077,924,459.50/211,583.12
  6. Step 6: Final answer
    x = 80,714.97

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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.