Finding the Fourth Proportional to 343,501.08, 474,039.08 and 190,534.28
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Solution
The fourth proportional to 343,501.08, 474,039.08 and 190,534.28 is: 262,941.52
Step by Step Solution
- Step 1: Write the proportion equation
343,501.08 : 474,039.08 = 190,534.28 : x - Step 2: Convert to fraction form
343,501.08/474,039.08 = 190,534.28/x - Step 3: Cross multiply
343,501.08x = 474,039.08 × 190,534.28 - Step 4: Simplify right side
343,501.08x = 90,320,694,799.66 - Step 5: Solve for x
x = 90,320,694,799.66/343,501.08 - Step 6: Final answer
x = 262,941.52
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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.