Home / 255,475.09-352,538.70-153,504.84

Finding the Fourth Proportional to 255,475.09, 352,538.70 and 153,504.84

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Solution

The fourth proportional to 255,475.09, 352,538.70 and 153,504.84 is: 211,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,475.09 : 352,538.70 = 153,504.84 : x
  2. Step 2: Convert to fraction form
    255,475.09/352,538.70 = 153,504.84/x
  3. Step 3: Cross multiply
    255,475.09x = 352,538.70 × 153,504.84
  4. Step 4: Simplify right side
    255,475.09x = 54,116,397,483.69
  5. Step 5: Solve for x
    x = 54,116,397,483.69/255,475.09
  6. Step 6: Final answer
    x = 211,826.51

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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.