Finding the Fourth Proportional to 345,420.27, 476,660.94 and 190,341.02
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Solution
The fourth proportional to 345,420.27, 476,660.94 and 190,341.02 is: 262,660.12
Step by Step Solution
- Step 1: Write the proportion equation
345,420.27 : 476,660.94 = 190,341.02 : x - Step 2: Convert to fraction form
345,420.27/476,660.94 = 190,341.02/x - Step 3: Cross multiply
345,420.27x = 476,660.94 × 190,341.02 - Step 4: Simplify right side
345,420.27x = 90,728,129,513.76 - Step 5: Solve for x
x = 90,728,129,513.76/345,420.27 - Step 6: Final answer
x = 262,660.12
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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.