Home / 369,278.71-554,011.38-103,039.06

Finding the Fourth Proportional to 369,278.71, 554,011.38 and 103,039.06

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Solution

The fourth proportional to 369,278.71, 554,011.38 and 103,039.06 is: 154,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,278.71 : 554,011.38 = 103,039.06 : x
  2. Step 2: Convert to fraction form
    369,278.71/554,011.38 = 103,039.06/x
  3. Step 3: Cross multiply
    369,278.71x = 554,011.38 × 103,039.06
  4. Step 4: Simplify right side
    369,278.71x = 57,084,811,824.50
  5. Step 5: Solve for x
    x = 57,084,811,824.50/369,278.71
  6. Step 6: Final answer
    x = 154,584.63

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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.