Home / 211,835.01-317,655.48-126,484.64

Finding the Fourth Proportional to 211,835.01, 317,655.48 and 126,484.64

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Solution

The fourth proportional to 211,835.01, 317,655.48 and 126,484.64 is: 189,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,835.01 : 317,655.48 = 126,484.64 : x
  2. Step 2: Convert to fraction form
    211,835.01/317,655.48 = 126,484.64/x
  3. Step 3: Cross multiply
    211,835.01x = 317,655.48 × 126,484.64
  4. Step 4: Simplify right side
    211,835.01x = 40,178,537,443.55
  5. Step 5: Solve for x
    x = 40,178,537,443.55/211,835.01
  6. Step 6: Final answer
    x = 189,669.01

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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.