Finding the Fourth Proportional to 339,831.68, 509,773.44 and 103,193.96
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Solution
The fourth proportional to 339,831.68, 509,773.44 and 103,193.96 is: 154,798.81
Step by Step Solution
- Step 1: Write the proportion equation
339,831.68 : 509,773.44 = 103,193.96 : x - Step 2: Convert to fraction form
339,831.68/509,773.44 = 103,193.96/x - Step 3: Cross multiply
339,831.68x = 509,773.44 × 103,193.96 - Step 4: Simplify right side
339,831.68x = 52,605,539,976.42 - Step 5: Solve for x
x = 52,605,539,976.42/339,831.68 - Step 6: Final answer
x = 154,798.81
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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.