Finding the Fourth Proportional to 455,051.23, 627,970.22 and 251,102.09
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Solution
The fourth proportional to 455,051.23, 627,970.22 and 251,102.09 is: 346,520.62
Step by Step Solution
- Step 1: Write the proportion equation
455,051.23 : 627,970.22 = 251,102.09 : x - Step 2: Convert to fraction form
455,051.23/627,970.22 = 251,102.09/x - Step 3: Cross multiply
455,051.23x = 627,970.22 × 251,102.09 - Step 4: Simplify right side
455,051.23x = 157,684,635,955.81 - Step 5: Solve for x
x = 157,684,635,955.81/455,051.23 - Step 6: Final answer
x = 346,520.62
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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.