Finding the Fourth Proportional to 199,312.93, 298,968.16 and 72,961.96
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Solution
The fourth proportional to 199,312.93, 298,968.16 and 72,961.96 is: 109,442.49
Step by Step Solution
- Step 1: Write the proportion equation
199,312.93 : 298,968.16 = 72,961.96 : x - Step 2: Convert to fraction form
199,312.93/298,968.16 = 72,961.96/x - Step 3: Cross multiply
199,312.93x = 298,968.16 × 72,961.96 - Step 4: Simplify right side
199,312.93x = 21,813,302,931.19 - Step 5: Solve for x
x = 21,813,302,931.19/199,312.93 - Step 6: Final answer
x = 109,442.49
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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.