Home / 211,496.81-317,244.42-51,570.90

Finding the Fourth Proportional to 211,496.81, 317,244.42 and 51,570.90

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Solution

The fourth proportional to 211,496.81, 317,244.42 and 51,570.90 is: 77,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,496.81 : 317,244.42 = 51,570.90 : x
  2. Step 2: Convert to fraction form
    211,496.81/317,244.42 = 51,570.90/x
  3. Step 3: Cross multiply
    211,496.81x = 317,244.42 × 51,570.90
  4. Step 4: Simplify right side
    211,496.81x = 16,360,580,259.38
  5. Step 5: Solve for x
    x = 16,360,580,259.38/211,496.81
  6. Step 6: Final answer
    x = 77,356.16

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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.