Finding the Fourth Proportional to 343,169.12, 514,184.64 and 242,831.96
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Solution
The fourth proportional to 343,169.12, 514,184.64 and 242,831.96 is: 363,845.28
Step by Step Solution
- Step 1: Write the proportion equation
343,169.12 : 514,184.64 = 242,831.96 : x - Step 2: Convert to fraction form
343,169.12/514,184.64 = 242,831.96/x - Step 3: Cross multiply
343,169.12x = 514,184.64 × 242,831.96 - Step 4: Simplify right side
343,169.12x = 124,860,463,933.09 - Step 5: Solve for x
x = 124,860,463,933.09/343,169.12 - Step 6: Final answer
x = 363,845.28
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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.