Finding the Fourth Proportional to 211,063.16, 291,264.26 and 115,569.84
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Solution
The fourth proportional to 211,063.16, 291,264.26 and 115,569.84 is: 159,484.79
Step by Step Solution
- Step 1: Write the proportion equation
211,063.16 : 291,264.26 = 115,569.84 : x - Step 2: Convert to fraction form
211,063.16/291,264.26 = 115,569.84/x - Step 3: Cross multiply
211,063.16x = 291,264.26 × 115,569.84 - Step 4: Simplify right side
211,063.16x = 33,661,363,348.07 - Step 5: Solve for x
x = 33,661,363,348.07/211,063.16 - Step 6: Final answer
x = 159,484.79
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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.