Finding the Fourth Proportional to 636,135.84, 877,869.36 and 349,685.28
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Solution
The fourth proportional to 636,135.84, 877,869.36 and 349,685.28 is: 482,566.73
Step by Step Solution
- Step 1: Write the proportion equation
636,135.84 : 877,869.36 = 349,685.28 : x - Step 2: Convert to fraction form
636,135.84/877,869.36 = 349,685.28/x - Step 3: Cross multiply
636,135.84x = 877,869.36 × 349,685.28 - Step 4: Simplify right side
636,135.84x = 306,977,992,955.02 - Step 5: Solve for x
x = 306,977,992,955.02/636,135.84 - Step 6: Final answer
x = 482,566.73
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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.