Home / 211,011.04-316,505.52-53,240.96

Finding the Fourth Proportional to 211,011.04, 316,505.52 and 53,240.96

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Solution

The fourth proportional to 211,011.04, 316,505.52 and 53,240.96 is: 79,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,011.04 : 316,505.52 = 53,240.96 : x
  2. Step 2: Convert to fraction form
    211,011.04/316,505.52 = 53,240.96/x
  3. Step 3: Cross multiply
    211,011.04x = 316,505.52 × 53,240.96
  4. Step 4: Simplify right side
    211,011.04x = 16,851,057,730.10
  5. Step 5: Solve for x
    x = 16,851,057,730.10/211,011.04
  6. Step 6: Final answer
    x = 79,858.65

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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.