Finding the Fourth Proportional to 145,810.99, 218,716.47 and 35,002.99
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Solution
The fourth proportional to 145,810.99, 218,716.47 and 35,002.99 is: 52,504.48
Step by Step Solution
- Step 1: Write the proportion equation
145,810.99 : 218,716.47 = 35,002.99 : x - Step 2: Convert to fraction form
145,810.99/218,716.47 = 35,002.99/x - Step 3: Cross multiply
145,810.99x = 218,716.47 × 35,002.99 - Step 4: Simplify right side
145,810.99x = 7,655,730,412.25 - Step 5: Solve for x
x = 7,655,730,412.25/145,810.99 - Step 6: Final answer
x = 52,504.48
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Double scale
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Similar ratio
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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.