Finding the Fourth Proportional to 318,935.88, 478,450.50 and 116,541.99
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Solution
The fourth proportional to 318,935.88, 478,450.50 and 116,541.99 is: 174,830.04
Step by Step Solution
- Step 1: Write the proportion equation
318,935.88 : 478,450.50 = 116,541.99 : x - Step 2: Convert to fraction form
318,935.88/478,450.50 = 116,541.99/x - Step 3: Cross multiply
318,935.88x = 478,450.50 × 116,541.99 - Step 4: Simplify right side
318,935.88x = 55,759,572,949.46 - Step 5: Solve for x
x = 55,759,572,949.46/318,935.88 - Step 6: Final answer
x = 174,830.04
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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.