Finding the Fourth Proportional to 151,461.08, 209,007.74 and 83,477.84
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Solution
The fourth proportional to 151,461.08, 209,007.74 and 83,477.84 is: 115,194.71
Step by Step Solution
- Step 1: Write the proportion equation
151,461.08 : 209,007.74 = 83,477.84 : x - Step 2: Convert to fraction form
151,461.08/209,007.74 = 83,477.84/x - Step 3: Cross multiply
151,461.08x = 209,007.74 × 83,477.84 - Step 4: Simplify right side
151,461.08x = 17,447,514,678.48 - Step 5: Solve for x
x = 17,447,514,678.48/151,461.08 - Step 6: Final answer
x = 115,194.71
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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.