Home / 438,148.20-657,222.30-248,535.30

Finding the Fourth Proportional to 438,148.20, 657,222.30 and 248,535.30

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Solution

The fourth proportional to 438,148.20, 657,222.30 and 248,535.30 is: 372,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,148.20 : 657,222.30 = 248,535.30 : x
  2. Step 2: Convert to fraction form
    438,148.20/657,222.30 = 248,535.30/x
  3. Step 3: Cross multiply
    438,148.20x = 657,222.30 × 248,535.30
  4. Step 4: Simplify right side
    438,148.20x = 163,342,941,497.19
  5. Step 5: Solve for x
    x = 163,342,941,497.19/438,148.20
  6. Step 6: Final answer
    x = 372,802.95

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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.