Finding the Fourth Proportional to 225,894.44, 311,681.99 and 135,215.93
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Solution
The fourth proportional to 225,894.44, 311,681.99 and 135,215.93 is: 186,566.65
Step by Step Solution
- Step 1: Write the proportion equation
225,894.44 : 311,681.99 = 135,215.93 : x - Step 2: Convert to fraction form
225,894.44/311,681.99 = 135,215.93/x - Step 3: Cross multiply
225,894.44x = 311,681.99 × 135,215.93 - Step 4: Simplify right side
225,894.44x = 42,144,367,907.61 - Step 5: Solve for x
x = 42,144,367,907.61/225,894.44 - Step 6: Final answer
x = 186,566.65
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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.