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Finding the Fourth Proportional to 369,243.56, 554,904.12 and 219,510.74

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Solution

The fourth proportional to 369,243.56, 554,904.12 and 219,510.74 is: 329,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,243.56 : 554,904.12 = 219,510.74 : x
  2. Step 2: Convert to fraction form
    369,243.56/554,904.12 = 219,510.74/x
  3. Step 3: Cross multiply
    369,243.56x = 554,904.12 × 219,510.74
  4. Step 4: Simplify right side
    369,243.56x = 121,807,414,010.25
  5. Step 5: Solve for x
    x = 121,807,414,010.25/369,243.56
  6. Step 6: Final answer
    x = 329,883.65

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1.5x scale

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.