Finding the Fourth Proportional to 540,325.11, 745,628.49 and 310,917.82
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Solution
The fourth proportional to 540,325.11, 745,628.49 and 310,917.82 is: 429,054.99
Step by Step Solution
- Step 1: Write the proportion equation
540,325.11 : 745,628.49 = 310,917.82 : x - Step 2: Convert to fraction form
540,325.11/745,628.49 = 310,917.82/x - Step 3: Cross multiply
540,325.11x = 745,628.49 × 310,917.82 - Step 4: Simplify right side
540,325.11x = 231,829,184,640.69 - Step 5: Solve for x
x = 231,829,184,640.69/540,325.11 - Step 6: Final answer
x = 429,054.99
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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.