Home / 257,727.06-355,667.49-144,547.38

Finding the Fourth Proportional to 257,727.06, 355,667.49 and 144,547.38

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Solution

The fourth proportional to 257,727.06, 355,667.49 and 144,547.38 is: 199,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,727.06 : 355,667.49 = 144,547.38 : x
  2. Step 2: Convert to fraction form
    257,727.06/355,667.49 = 144,547.38/x
  3. Step 3: Cross multiply
    257,727.06x = 355,667.49 × 144,547.38
  4. Step 4: Simplify right side
    257,727.06x = 51,410,803,830.68
  5. Step 5: Solve for x
    x = 51,410,803,830.68/257,727.06
  6. Step 6: Final answer
    x = 199,477.71

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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.