Finding the Fourth Proportional to 219,895.42, 303,488.26 and 139,330.44
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Solution
The fourth proportional to 219,895.42, 303,488.26 and 139,330.44 is: 192,296.65
Step by Step Solution
- Step 1: Write the proportion equation
219,895.42 : 303,488.26 = 139,330.44 : x - Step 2: Convert to fraction form
219,895.42/303,488.26 = 139,330.44/x - Step 3: Cross multiply
219,895.42x = 303,488.26 × 139,330.44 - Step 4: Simplify right side
219,895.42x = 42,285,152,800.63 - Step 5: Solve for x
x = 42,285,152,800.63/219,895.42 - Step 6: Final answer
x = 192,296.65
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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.