Finding the Fourth Proportional to 152,063.24, 209,832.47 and 84,070.91
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Solution
The fourth proportional to 152,063.24, 209,832.47 and 84,070.91 is: 116,009.67
Step by Step Solution
- Step 1: Write the proportion equation
152,063.24 : 209,832.47 = 84,070.91 : x - Step 2: Convert to fraction form
152,063.24/209,832.47 = 84,070.91/x - Step 3: Cross multiply
152,063.24x = 209,832.47 × 84,070.91 - Step 4: Simplify right side
152,063.24x = 17,640,805,651.29 - Step 5: Solve for x
x = 17,640,805,651.29/152,063.24 - Step 6: Final answer
x = 116,009.67
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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.