Finding the Fourth Proportional to 193,643.80, 290,465.70 and 160,875.80
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Solution
The fourth proportional to 193,643.80, 290,465.70 and 160,875.80 is: 241,313.70
Step by Step Solution
- Step 1: Write the proportion equation
193,643.80 : 290,465.70 = 160,875.80 : x - Step 2: Convert to fraction form
193,643.80/290,465.70 = 160,875.80/x - Step 3: Cross multiply
193,643.80x = 290,465.70 × 160,875.80 - Step 4: Simplify right side
193,643.80x = 46,728,901,860.06 - Step 5: Solve for x
x = 46,728,901,860.06/193,643.80 - Step 6: Final answer
x = 241,313.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.