Home / 438,258.58-657,091.23-171,852.82

Finding the Fourth Proportional to 438,258.58, 657,091.23 and 171,852.82

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Solution

The fourth proportional to 438,258.58, 657,091.23 and 171,852.82 is: 257,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,258.58 : 657,091.23 = 171,852.82 : x
  2. Step 2: Convert to fraction form
    438,258.58/657,091.23 = 171,852.82/x
  3. Step 3: Cross multiply
    438,258.58x = 657,091.23 × 171,852.82
  4. Step 4: Simplify right side
    438,258.58x = 112,922,980,872.77
  5. Step 5: Solve for x
    x = 112,922,980,872.77/438,258.58
  6. Step 6: Final answer
    x = 257,662.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.