Finding the Fourth Proportional to 369,539.15, 509,925.78 and 272,794.37
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Solution
The fourth proportional to 369,539.15, 509,925.78 and 272,794.37 is: 376,427.99
Step by Step Solution
- Step 1: Write the proportion equation
369,539.15 : 509,925.78 = 272,794.37 : x - Step 2: Convert to fraction form
369,539.15/509,925.78 = 272,794.37/x - Step 3: Cross multiply
369,539.15x = 509,925.78 × 272,794.37 - Step 4: Simplify right side
369,539.15x = 139,104,879,352.23 - Step 5: Solve for x
x = 139,104,879,352.23/369,539.15 - Step 6: Final answer
x = 376,427.99
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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.