Finding the Fourth Proportional to 135,089.14, 202,637.81 and 46,341.36
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Solution
The fourth proportional to 135,089.14, 202,637.81 and 46,341.36 is: 69,513.45
Step by Step Solution
- Step 1: Write the proportion equation
135,089.14 : 202,637.81 = 46,341.36 : x - Step 2: Convert to fraction form
135,089.14/202,637.81 = 46,341.36/x - Step 3: Cross multiply
135,089.14x = 202,637.81 × 46,341.36 - Step 4: Simplify right side
135,089.14x = 9,390,511,471.11 - Step 5: Solve for x
x = 9,390,511,471.11/135,089.14 - Step 6: Final answer
x = 69,513.45
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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.