Finding the Fourth Proportional to 268,194.15, 370,182.42 and 153,537.03
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Solution
The fourth proportional to 268,194.15, 370,182.42 and 153,537.03 is: 211,923.75
Step by Step Solution
- Step 1: Write the proportion equation
268,194.15 : 370,182.42 = 153,537.03 : x - Step 2: Convert to fraction form
268,194.15/370,182.42 = 153,537.03/x - Step 3: Cross multiply
268,194.15x = 370,182.42 × 153,537.03 - Step 4: Simplify right side
268,194.15x = 56,836,709,325.01 - Step 5: Solve for x
x = 56,836,709,325.01/268,194.15 - Step 6: Final answer
x = 211,923.75
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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.