Finding the Fourth Proportional to 235,549.95, 325,029.40 and 159,235.09
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Solution
The fourth proportional to 235,549.95, 325,029.40 and 159,235.09 is: 219,724.46
Step by Step Solution
- Step 1: Write the proportion equation
235,549.95 : 325,029.40 = 159,235.09 : x - Step 2: Convert to fraction form
235,549.95/325,029.40 = 159,235.09/x - Step 3: Cross multiply
235,549.95x = 325,029.40 × 159,235.09 - Step 4: Simplify right side
235,549.95x = 51,756,085,761.65 - Step 5: Solve for x
x = 51,756,085,761.65/235,549.95 - Step 6: Final answer
x = 219,724.46
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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.