Finding the Fourth Proportional to 178,965.04, 246,971.91 and 98,393.94
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Solution
The fourth proportional to 178,965.04, 246,971.91 and 98,393.94 is: 135,783.72
Step by Step Solution
- Step 1: Write the proportion equation
178,965.04 : 246,971.91 = 98,393.94 : x - Step 2: Convert to fraction form
178,965.04/246,971.91 = 98,393.94/x - Step 3: Cross multiply
178,965.04x = 246,971.91 × 98,393.94 - Step 4: Simplify right side
178,965.04x = 24,300,539,294.23 - Step 5: Solve for x
x = 24,300,539,294.23/178,965.04 - Step 6: Final answer
x = 135,783.72
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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.