Home / 255,440.34-352,507.80-148,072.68

Finding the Fourth Proportional to 255,440.34, 352,507.80 and 148,072.68

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Solution

The fourth proportional to 255,440.34, 352,507.80 and 148,072.68 is: 204,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,440.34 : 352,507.80 = 148,072.68 : x
  2. Step 2: Convert to fraction form
    255,440.34/352,507.80 = 148,072.68/x
  3. Step 3: Cross multiply
    255,440.34x = 352,507.80 × 148,072.68
  4. Step 4: Simplify right side
    255,440.34x = 52,196,774,666.90
  5. Step 5: Solve for x
    x = 52,196,774,666.90/255,440.34
  6. Step 6: Final answer
    x = 204,340.37

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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.