Home / 438,026.40-657,258.30-248,632.20

Finding the Fourth Proportional to 438,026.40, 657,258.30 and 248,632.20

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Solution

The fourth proportional to 438,026.40, 657,258.30 and 248,632.20 is: 373,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,026.40 : 657,258.30 = 248,632.20 : x
  2. Step 2: Convert to fraction form
    438,026.40/657,258.30 = 248,632.20/x
  3. Step 3: Cross multiply
    438,026.40x = 657,258.30 × 248,632.20
  4. Step 4: Simplify right side
    438,026.40x = 163,415,577,097.26
  5. Step 5: Solve for x
    x = 163,415,577,097.26/438,026.40
  6. Step 6: Final answer
    x = 373,072.44

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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.