Finding the Fourth Proportional to 245,965.69, 368,948.60 and 189,887.66
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Solution
The fourth proportional to 245,965.69, 368,948.60 and 189,887.66 is: 284,831.53
Step by Step Solution
- Step 1: Write the proportion equation
245,965.69 : 368,948.60 = 189,887.66 : x - Step 2: Convert to fraction form
245,965.69/368,948.60 = 189,887.66/x - Step 3: Cross multiply
245,965.69x = 368,948.60 × 189,887.66 - Step 4: Simplify right side
245,965.69x = 70,058,783,520.09 - Step 5: Solve for x
x = 70,058,783,520.09/245,965.69 - Step 6: Final answer
x = 284,831.53
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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.