Home / 369,830.28-554,282.34-198,631.28

Finding the Fourth Proportional to 369,830.28, 554,282.34 and 198,631.28

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Solution

The fourth proportional to 369,830.28, 554,282.34 and 198,631.28 is: 297,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,830.28 : 554,282.34 = 198,631.28 : x
  2. Step 2: Convert to fraction form
    369,830.28/554,282.34 = 198,631.28/x
  3. Step 3: Cross multiply
    369,830.28x = 554,282.34 × 198,631.28
  4. Step 4: Simplify right side
    369,830.28x = 110,097,811,956.23
  5. Step 5: Solve for x
    x = 110,097,811,956.23/369,830.28
  6. Step 6: Final answer
    x = 297,698.21

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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.