Finding the Fourth Proportional to 911,972.72, 1,368,027.84 and 272,225.93
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Solution
The fourth proportional to 911,972.72, 1,368,027.84 and 272,225.93 is: 408,359.42
Step by Step Solution
- Step 1: Write the proportion equation
911,972.72 : 1,368,027.84 = 272,225.93 : x - Step 2: Convert to fraction form
911,972.72/1,368,027.84 = 272,225.93/x - Step 3: Cross multiply
911,972.72x = 1,368,027.84 × 272,225.93 - Step 4: Simplify right side
911,972.72x = 372,412,651,009.89 - Step 5: Solve for x
x = 372,412,651,009.89/911,972.72 - Step 6: Final answer
x = 408,359.42
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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.