Finding the Fourth Proportional to 636,201.19, 877,958.58 and 349,723.02
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Solution
The fourth proportional to 636,201.19, 877,958.58 and 349,723.02 is: 482,618.28
Step by Step Solution
- Step 1: Write the proportion equation
636,201.19 : 877,958.58 = 349,723.02 : x - Step 2: Convert to fraction form
636,201.19/877,958.58 = 349,723.02/x - Step 3: Cross multiply
636,201.19x = 877,958.58 × 349,723.02 - Step 4: Simplify right side
636,201.19x = 307,042,326,032.51 - Step 5: Solve for x
x = 307,042,326,032.51/636,201.19 - Step 6: Final answer
x = 482,618.28
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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.