Finding the Fourth Proportional to 540,243.14, 810,421.20 and 185,285.75
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Solution
The fourth proportional to 540,243.14, 810,421.20 and 185,285.75 is: 277,947.99
Step by Step Solution
- Step 1: Write the proportion equation
540,243.14 : 810,421.20 = 185,285.75 : x - Step 2: Convert to fraction form
540,243.14/810,421.20 = 185,285.75/x - Step 3: Cross multiply
540,243.14x = 810,421.20 × 185,285.75 - Step 4: Simplify right side
540,243.14x = 150,159,495,805.79 - Step 5: Solve for x
x = 150,159,495,805.79/540,243.14 - Step 6: Final answer
x = 277,947.99
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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.