Finding the Fourth Proportional to 302,331.09, 453,564.08 and 91,985.43
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Solution
The fourth proportional to 302,331.09, 453,564.08 and 91,985.43 is: 137,998.66
Step by Step Solution
- Step 1: Write the proportion equation
302,331.09 : 453,564.08 = 91,985.43 : x - Step 2: Convert to fraction form
302,331.09/453,564.08 = 91,985.43/x - Step 3: Cross multiply
302,331.09x = 453,564.08 × 91,985.43 - Step 4: Simplify right side
302,331.09x = 41,721,286,471.43 - Step 5: Solve for x
x = 41,721,286,471.43/302,331.09 - Step 6: Final answer
x = 137,998.66
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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.