Home / 211,535.48-317,272.08-69,395.78

Finding the Fourth Proportional to 211,535.48, 317,272.08 and 69,395.78

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Solution

The fourth proportional to 211,535.48, 317,272.08 and 69,395.78 is: 104,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,535.48 : 317,272.08 = 69,395.78 : x
  2. Step 2: Convert to fraction form
    211,535.48/317,272.08 = 69,395.78/x
  3. Step 3: Cross multiply
    211,535.48x = 317,272.08 × 69,395.78
  4. Step 4: Simplify right side
    211,535.48x = 22,017,343,463.82
  5. Step 5: Solve for x
    x = 22,017,343,463.82/211,535.48
  6. Step 6: Final answer
    x = 104,083.45

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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.