Finding the Fourth Proportional to 268,823.40, 370,973.36 and 147,962.09
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Solution
The fourth proportional to 268,823.40, 370,973.36 and 147,962.09 is: 204,186.06
Step by Step Solution
- Step 1: Write the proportion equation
268,823.40 : 370,973.36 = 147,962.09 : x - Step 2: Convert to fraction form
268,823.40/370,973.36 = 147,962.09/x - Step 3: Cross multiply
268,823.40x = 370,973.36 × 147,962.09 - Step 4: Simplify right side
268,823.40x = 54,889,991,085.25 - Step 5: Solve for x
x = 54,889,991,085.25/268,823.40 - Step 6: Final answer
x = 204,186.06
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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.