Finding the Fourth Proportional to 162,402.93, 224,114.79 and 89,808.99
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Solution
The fourth proportional to 162,402.93, 224,114.79 and 89,808.99 is: 123,935.71
Step by Step Solution
- Step 1: Write the proportion equation
162,402.93 : 224,114.79 = 89,808.99 : x - Step 2: Convert to fraction form
162,402.93/224,114.79 = 89,808.99/x - Step 3: Cross multiply
162,402.93x = 224,114.79 × 89,808.99 - Step 4: Simplify right side
162,402.93x = 20,127,522,933.96 - Step 5: Solve for x
x = 20,127,522,933.96/162,402.93 - Step 6: Final answer
x = 123,935.71
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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.