Finding the Fourth Proportional to 612,813.97, 919,368.62 and 192,089.84
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Solution
The fourth proportional to 612,813.97, 919,368.62 and 192,089.84 is: 288,181.05
Step by Step Solution
- Step 1: Write the proportion equation
612,813.97 : 919,368.62 = 192,089.84 : x - Step 2: Convert to fraction form
612,813.97/919,368.62 = 192,089.84/x - Step 3: Cross multiply
612,813.97x = 919,368.62 × 192,089.84 - Step 4: Simplify right side
612,813.97x = 176,601,373,895.47 - Step 5: Solve for x
x = 176,601,373,895.47/612,813.97 - Step 6: Final answer
x = 288,181.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.