Finding the Fourth Proportional to 234,135.66, 322,988.12 and 142,230.52
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Solution
The fourth proportional to 234,135.66, 322,988.12 and 142,230.52 is: 196,205.77
Step by Step Solution
- Step 1: Write the proportion equation
234,135.66 : 322,988.12 = 142,230.52 : x - Step 2: Convert to fraction form
234,135.66/322,988.12 = 142,230.52/x - Step 3: Cross multiply
234,135.66x = 322,988.12 × 142,230.52 - Step 4: Simplify right side
234,135.66x = 45,938,768,261.42 - Step 5: Solve for x
x = 45,938,768,261.42/234,135.66 - Step 6: Final answer
x = 196,205.77
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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.