Finding the Fourth Proportional to 277,643.19, 416,412.27 and 135,345.63
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Solution
The fourth proportional to 277,643.19, 416,412.27 and 135,345.63 is: 202,992.84
Step by Step Solution
- Step 1: Write the proportion equation
277,643.19 : 416,412.27 = 135,345.63 : x - Step 2: Convert to fraction form
277,643.19/416,412.27 = 135,345.63/x - Step 3: Cross multiply
277,643.19x = 416,412.27 × 135,345.63 - Step 4: Simplify right side
277,643.19x = 56,359,581,022.88 - Step 5: Solve for x
x = 56,359,581,022.88/277,643.19 - Step 6: Final answer
x = 202,992.84
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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.