Finding the Fourth Proportional to 403,183.84, 556,389.24 and 282,280.99
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Solution
The fourth proportional to 403,183.84, 556,389.24 and 282,280.99 is: 389,544.64
Step by Step Solution
- Step 1: Write the proportion equation
403,183.84 : 556,389.24 = 282,280.99 : x - Step 2: Convert to fraction form
403,183.84/556,389.24 = 282,280.99/x - Step 3: Cross multiply
403,183.84x = 556,389.24 × 282,280.99 - Step 4: Simplify right side
403,183.84x = 157,058,105,492.55 - Step 5: Solve for x
x = 157,058,105,492.55/403,183.84 - Step 6: Final answer
x = 389,544.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.