Home / 369,606.68-554,405.16-89,121.50

Finding the Fourth Proportional to 369,606.68, 554,405.16 and 89,121.50

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Solution

The fourth proportional to 369,606.68, 554,405.16 and 89,121.50 is: 133,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,606.68 : 554,405.16 = 89,121.50 : x
  2. Step 2: Convert to fraction form
    369,606.68/554,405.16 = 89,121.50/x
  3. Step 3: Cross multiply
    369,606.68x = 554,405.16 × 89,121.50
  4. Step 4: Simplify right side
    369,606.68x = 49,409,419,466.94
  5. Step 5: Solve for x
    x = 49,409,419,466.94/369,606.68
  6. Step 6: Final answer
    x = 133,681.08

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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.