Finding the Fourth Proportional to 292,572.54, 438,858.77 and 102,988.26
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Solution
The fourth proportional to 292,572.54, 438,858.77 and 102,988.26 is: 154,482.38
Step by Step Solution
- Step 1: Write the proportion equation
292,572.54 : 438,858.77 = 102,988.26 : x - Step 2: Convert to fraction form
292,572.54/438,858.77 = 102,988.26/x - Step 3: Cross multiply
292,572.54x = 438,858.77 × 102,988.26 - Step 4: Simplify right side
292,572.54x = 45,197,301,108.04 - Step 5: Solve for x
x = 45,197,301,108.04/292,572.54 - Step 6: Final answer
x = 154,482.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.