Finding the Fourth Proportional to 234,965.19, 324,420.47 and 144,442.53
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Solution
The fourth proportional to 234,965.19, 324,420.47 and 144,442.53 is: 199,434.28
Step by Step Solution
- Step 1: Write the proportion equation
234,965.19 : 324,420.47 = 144,442.53 : x - Step 2: Convert to fraction form
234,965.19/324,420.47 = 144,442.53/x - Step 3: Cross multiply
234,965.19x = 324,420.47 × 144,442.53 - Step 4: Simplify right side
234,965.19x = 46,860,113,470.59 - Step 5: Solve for x
x = 46,860,113,470.59/234,965.19 - Step 6: Final answer
x = 199,434.28
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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.