Finding the Fourth Proportional to 495,442.46, 683,687.67 and 280,584.06
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Solution
The fourth proportional to 495,442.46, 683,687.67 and 280,584.06 is: 387,193.02
Step by Step Solution
- Step 1: Write the proportion equation
495,442.46 : 683,687.67 = 280,584.06 : x - Step 2: Convert to fraction form
495,442.46/683,687.67 = 280,584.06/x - Step 3: Cross multiply
495,442.46x = 683,687.67 × 280,584.06 - Step 4: Simplify right side
495,442.46x = 191,831,862,220.54 - Step 5: Solve for x
x = 191,831,862,220.54/495,442.46 - Step 6: Final answer
x = 387,193.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.