Home / 257,396.02-355,206.27-144,219.58

Finding the Fourth Proportional to 257,396.02, 355,206.27 and 144,219.58

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Solution

The fourth proportional to 257,396.02, 355,206.27 and 144,219.58 is: 199,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,396.02 : 355,206.27 = 144,219.58 : x
  2. Step 2: Convert to fraction form
    257,396.02/355,206.27 = 144,219.58/x
  3. Step 3: Cross multiply
    257,396.02x = 355,206.27 × 144,219.58
  4. Step 4: Simplify right side
    257,396.02x = 51,227,699,072.77
  5. Step 5: Solve for x
    x = 51,227,699,072.77/257,396.02
  6. Step 6: Final answer
    x = 199,022.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.