Finding the Fourth Proportional to 636,159.84, 877,902.54 and 349,709.28
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Solution
The fourth proportional to 636,159.84, 877,902.54 and 349,709.28 is: 482,599.88
Step by Step Solution
- Step 1: Write the proportion equation
636,159.84 : 877,902.54 = 349,709.28 : x - Step 2: Convert to fraction form
636,159.84/877,902.54 = 349,709.28/x - Step 3: Cross multiply
636,159.84x = 877,902.54 × 349,709.28 - Step 4: Simplify right side
636,159.84x = 307,010,665,173.57 - Step 5: Solve for x
x = 307,010,665,173.57/636,159.84 - Step 6: Final answer
x = 482,599.88
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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.