Finding the Fourth Proportional to 146,871.14, 202,681.44 and 83,208.78
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Solution
The fourth proportional to 146,871.14, 202,681.44 and 83,208.78 is: 114,827.70
Step by Step Solution
- Step 1: Write the proportion equation
146,871.14 : 202,681.44 = 83,208.78 : x - Step 2: Convert to fraction form
146,871.14/202,681.44 = 83,208.78/x - Step 3: Cross multiply
146,871.14x = 202,681.44 × 83,208.78 - Step 4: Simplify right side
146,871.14x = 16,864,875,351.04 - Step 5: Solve for x
x = 16,864,875,351.04/146,871.14 - Step 6: Final answer
x = 114,827.70
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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.