Finding the Fourth Proportional to 636,386.18, 954,349.64 and 186,986.84
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Solution
The fourth proportional to 636,386.18, 954,349.64 and 186,986.84 is: 280,412.79
Step by Step Solution
- Step 1: Write the proportion equation
636,386.18 : 954,349.64 = 186,986.84 : x - Step 2: Convert to fraction form
636,386.18/954,349.64 = 186,986.84/x - Step 3: Cross multiply
636,386.18x = 954,349.64 × 186,986.84 - Step 4: Simplify right side
636,386.18x = 178,450,823,438.74 - Step 5: Solve for x
x = 178,450,823,438.74/636,386.18 - Step 6: Final answer
x = 280,412.79
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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.