Finding the Fourth Proportional to 272,981.18, 376,513.47 and 180,933.99
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Solution
The fourth proportional to 272,981.18, 376,513.47 and 180,933.99 is: 249,555.98
Step by Step Solution
- Step 1: Write the proportion equation
272,981.18 : 376,513.47 = 180,933.99 : x - Step 2: Convert to fraction form
272,981.18/376,513.47 = 180,933.99/x - Step 3: Cross multiply
272,981.18x = 376,513.47 × 180,933.99 - Step 4: Simplify right side
272,981.18x = 68,124,084,415.85 - Step 5: Solve for x
x = 68,124,084,415.85/272,981.18 - Step 6: Final answer
x = 249,555.98
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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.