Finding the Fourth Proportional to 235,701.19, 325,430.37 and 220,643.70
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Solution
The fourth proportional to 235,701.19, 325,430.37 and 220,643.70 is: 304,640.64
Step by Step Solution
- Step 1: Write the proportion equation
235,701.19 : 325,430.37 = 220,643.70 : x - Step 2: Convert to fraction form
235,701.19/325,430.37 = 220,643.70/x - Step 3: Cross multiply
235,701.19x = 325,430.37 × 220,643.70 - Step 4: Simplify right side
235,701.19x = 71,804,160,929.17 - Step 5: Solve for x
x = 71,804,160,929.17/235,701.19 - Step 6: Final answer
x = 304,640.64
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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.