Finding the Fourth Proportional to 318,866.81, 440,056.14 and 175,626.82
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Solution
The fourth proportional to 318,866.81, 440,056.14 and 175,626.82 is: 242,375.99
Step by Step Solution
- Step 1: Write the proportion equation
318,866.81 : 440,056.14 = 175,626.82 : x - Step 2: Convert to fraction form
318,866.81/440,056.14 = 175,626.82/x - Step 3: Cross multiply
318,866.81x = 440,056.14 × 175,626.82 - Step 4: Simplify right side
318,866.81x = 77,285,658,289.39 - Step 5: Solve for x
x = 77,285,658,289.39/318,866.81 - Step 6: Final answer
x = 242,375.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.