Finding the Fourth Proportional to 277,197.08, 382,531.88 and 156,338.09
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Solution
The fourth proportional to 277,197.08, 382,531.88 and 156,338.09 is: 215,746.51
Step by Step Solution
- Step 1: Write the proportion equation
277,197.08 : 382,531.88 = 156,338.09 : x - Step 2: Convert to fraction form
277,197.08/382,531.88 = 156,338.09/x - Step 3: Cross multiply
277,197.08x = 382,531.88 × 156,338.09 - Step 4: Simplify right side
277,197.08x = 59,804,301,570.65 - Step 5: Solve for x
x = 59,804,301,570.65/277,197.08 - Step 6: Final answer
x = 215,746.51
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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.