Home / 211,406.49-317,075.98-61,611.75

Finding the Fourth Proportional to 211,406.49, 317,075.98 and 61,611.75

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Solution

The fourth proportional to 211,406.49, 317,075.98 and 61,611.75 is: 92,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,406.49 : 317,075.98 = 61,611.75 : x
  2. Step 2: Convert to fraction form
    211,406.49/317,075.98 = 61,611.75/x
  3. Step 3: Cross multiply
    211,406.49x = 317,075.98 × 61,611.75
  4. Step 4: Simplify right side
    211,406.49x = 19,535,606,010.77
  5. Step 5: Solve for x
    x = 19,535,606,010.77/211,406.49
  6. Step 6: Final answer
    x = 92,407.79

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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.