Finding the Fourth Proportional to 231,476.16, 346,647.99 and 209,037.54
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Solution
The fourth proportional to 231,476.16, 346,647.99 and 209,037.54 is: 313,044.95
Step by Step Solution
- Step 1: Write the proportion equation
231,476.16 : 346,647.99 = 209,037.54 : x - Step 2: Convert to fraction form
231,476.16/346,647.99 = 209,037.54/x - Step 3: Cross multiply
231,476.16x = 346,647.99 × 209,037.54 - Step 4: Simplify right side
231,476.16x = 72,462,443,075.54 - Step 5: Solve for x
x = 72,462,443,075.54/231,476.16 - Step 6: Final answer
x = 313,044.95
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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.