Finding the Fourth Proportional to 268,183.74, 402,441.74 and 155,916.80
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Solution
The fourth proportional to 268,183.74, 402,441.74 and 155,916.80 is: 233,971.77
Step by Step Solution
- Step 1: Write the proportion equation
268,183.74 : 402,441.74 = 155,916.80 : x - Step 2: Convert to fraction form
268,183.74/402,441.74 = 155,916.80/x - Step 3: Cross multiply
268,183.74x = 402,441.74 × 155,916.80 - Step 4: Simplify right side
268,183.74x = 62,747,425,495.44 - Step 5: Solve for x
x = 62,747,425,495.44/268,183.74 - Step 6: Final answer
x = 233,971.77
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1.5x scale
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.