Finding the Fourth Proportional to 145,486.88, 218,206.02 and 40,316.48
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Solution
The fourth proportional to 145,486.88, 218,206.02 and 40,316.48 is: 60,467.99
Step by Step Solution
- Step 1: Write the proportion equation
145,486.88 : 218,206.02 = 40,316.48 : x - Step 2: Convert to fraction form
145,486.88/218,206.02 = 40,316.48/x - Step 3: Cross multiply
145,486.88x = 218,206.02 × 40,316.48 - Step 4: Simplify right side
145,486.88x = 8,797,298,641.21 - Step 5: Solve for x
x = 8,797,298,641.21/145,486.88 - Step 6: Final answer
x = 60,467.99
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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.