Finding the Fourth Proportional to 537,993.80, 742,433.66 and 308,559.94
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Solution
The fourth proportional to 537,993.80, 742,433.66 and 308,559.94 is: 425,813.99
Step by Step Solution
- Step 1: Write the proportion equation
537,993.80 : 742,433.66 = 308,559.94 : x - Step 2: Convert to fraction form
537,993.80/742,433.66 = 308,559.94/x - Step 3: Cross multiply
537,993.80x = 742,433.66 × 308,559.94 - Step 4: Simplify right side
537,993.80x = 229,085,285,583.58 - Step 5: Solve for x
x = 229,085,285,583.58/537,993.80 - Step 6: Final answer
x = 425,813.99
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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.