Finding the Fourth Proportional to 843,271.48, 1,264,875.54 and 212,177.08
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Solution
The fourth proportional to 843,271.48, 1,264,875.54 and 212,177.08 is: 318,257.65
Step by Step Solution
- Step 1: Write the proportion equation
843,271.48 : 1,264,875.54 = 212,177.08 : x - Step 2: Convert to fraction form
843,271.48/1,264,875.54 = 212,177.08/x - Step 3: Cross multiply
843,271.48x = 1,264,875.54 × 212,177.08 - Step 4: Simplify right side
843,271.48x = 268,377,598,640.62 - Step 5: Solve for x
x = 268,377,598,640.62/843,271.48 - Step 6: Final answer
x = 318,257.65
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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.