Home / 475,039.14-655,554.64-257,248.18

Finding the Fourth Proportional to 475,039.14, 655,554.64 and 257,248.18

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Solution

The fourth proportional to 475,039.14, 655,554.64 and 257,248.18 is: 355,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,039.14 : 655,554.64 = 257,248.18 : x
  2. Step 2: Convert to fraction form
    475,039.14/655,554.64 = 257,248.18/x
  3. Step 3: Cross multiply
    475,039.14x = 655,554.64 × 257,248.18
  4. Step 4: Simplify right side
    475,039.14x = 168,640,238,030.56
  5. Step 5: Solve for x
    x = 168,640,238,030.56/475,039.14
  6. Step 6: Final answer
    x = 355,002.83

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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.