Finding the Fourth Proportional to 112,331.12, 168,457.80 and 62,486.96
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Solution
The fourth proportional to 112,331.12, 168,457.80 and 62,486.96 is: 93,708.81
Step by Step Solution
- Step 1: Write the proportion equation
112,331.12 : 168,457.80 = 62,486.96 : x - Step 2: Convert to fraction form
112,331.12/168,457.80 = 62,486.96/x - Step 3: Cross multiply
112,331.12x = 168,457.80 × 62,486.96 - Step 4: Simplify right side
112,331.12x = 10,526,415,810.29 - Step 5: Solve for x
x = 10,526,415,810.29/112,331.12 - Step 6: Final answer
x = 93,708.81
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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.