Finding the Fourth Proportional to 545,652.86, 753,023.79 and 303,935.09
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Solution
The fourth proportional to 545,652.86, 753,023.79 and 303,935.09 is: 419,443.15
Step by Step Solution
- Step 1: Write the proportion equation
545,652.86 : 753,023.79 = 303,935.09 : x - Step 2: Convert to fraction form
545,652.86/753,023.79 = 303,935.09/x - Step 3: Cross multiply
545,652.86x = 753,023.79 × 303,935.09 - Step 4: Simplify right side
545,652.86x = 228,870,349,620.67 - Step 5: Solve for x
x = 228,870,349,620.67/545,652.86 - Step 6: Final answer
x = 419,443.15
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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.