Finding the Fourth Proportional to 216,267.84, 322,402.68 and 212,859.36
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Solution
The fourth proportional to 216,267.84, 322,402.68 and 212,859.36 is: 317,321.47
Step by Step Solution
- Step 1: Write the proportion equation
216,267.84 : 322,402.68 = 212,859.36 : x - Step 2: Convert to fraction form
216,267.84/322,402.68 = 212,859.36/x - Step 3: Cross multiply
216,267.84x = 322,402.68 × 212,859.36 - Step 4: Simplify right side
216,267.84x = 68,626,428,127.08 - Step 5: Solve for x
x = 68,626,428,127.08/216,267.84 - Step 6: Final answer
x = 317,321.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.