Finding the Fourth Proportional to 193,979.79, 290,897.08 and 67,587.59
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Solution
The fourth proportional to 193,979.79, 290,897.08 and 67,587.59 is: 101,356.09
Step by Step Solution
- Step 1: Write the proportion equation
193,979.79 : 290,897.08 = 67,587.59 : x - Step 2: Convert to fraction form
193,979.79/290,897.08 = 67,587.59/x - Step 3: Cross multiply
193,979.79x = 290,897.08 × 67,587.59 - Step 4: Simplify right side
193,979.79x = 19,661,032,575.24 - Step 5: Solve for x
x = 19,661,032,575.24/193,979.79 - Step 6: Final answer
x = 101,356.09
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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.