Finding the Fourth Proportional to 148,516.65, 204,963.84 and 84,853.08
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Solution
The fourth proportional to 148,516.65, 204,963.84 and 84,853.08 is: 117,103.46
Step by Step Solution
- Step 1: Write the proportion equation
148,516.65 : 204,963.84 = 84,853.08 : x - Step 2: Convert to fraction form
148,516.65/204,963.84 = 84,853.08/x - Step 3: Cross multiply
148,516.65x = 204,963.84 × 84,853.08 - Step 4: Simplify right side
148,516.65x = 17,391,813,112.63 - Step 5: Solve for x
x = 17,391,813,112.63/148,516.65 - Step 6: Final answer
x = 117,103.46
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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.