Finding the Fourth Proportional to 311,272.68, 467,054.82 and 153,415.02
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Solution
The fourth proportional to 311,272.68, 467,054.82 and 153,415.02 is: 230,194.39
Step by Step Solution
- Step 1: Write the proportion equation
311,272.68 : 467,054.82 = 153,415.02 : x - Step 2: Convert to fraction form
311,272.68/467,054.82 = 153,415.02/x - Step 3: Cross multiply
311,272.68x = 467,054.82 × 153,415.02 - Step 4: Simplify right side
311,272.68x = 71,653,224,551.40 - Step 5: Solve for x
x = 71,653,224,551.40/311,272.68 - Step 6: Final answer
x = 230,194.39
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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.