Finding the Fourth Proportional to 273,966.68, 378,070.26 and 153,109.82
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Solution
The fourth proportional to 273,966.68, 378,070.26 and 153,109.82 is: 211,289.45
Step by Step Solution
- Step 1: Write the proportion equation
273,966.68 : 378,070.26 = 153,109.82 : x - Step 2: Convert to fraction form
273,966.68/378,070.26 = 153,109.82/x - Step 3: Cross multiply
273,966.68x = 378,070.26 × 153,109.82 - Step 4: Simplify right side
273,966.68x = 57,886,269,455.95 - Step 5: Solve for x
x = 57,886,269,455.95/273,966.68 - Step 6: Final answer
x = 211,289.45
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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.