Finding the Fourth Proportional to 233,625.34, 322,406.36 and 138,140.92
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Solution
The fourth proportional to 233,625.34, 322,406.36 and 138,140.92 is: 190,636.47
Step by Step Solution
- Step 1: Write the proportion equation
233,625.34 : 322,406.36 = 138,140.92 : x - Step 2: Convert to fraction form
233,625.34/322,406.36 = 138,140.92/x - Step 3: Cross multiply
233,625.34x = 322,406.36 × 138,140.92 - Step 4: Simplify right side
233,625.34x = 44,537,511,184.25 - Step 5: Solve for x
x = 44,537,511,184.25/233,625.34 - Step 6: Final answer
x = 190,636.47
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1.5x scale
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.