Finding the Fourth Proportional to 454,415.12, 627,055.99 and 263,440.81
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Solution
The fourth proportional to 454,415.12, 627,055.99 and 263,440.81 is: 363,526.94
Step by Step Solution
- Step 1: Write the proportion equation
454,415.12 : 627,055.99 = 263,440.81 : x - Step 2: Convert to fraction form
454,415.12/627,055.99 = 263,440.81/x - Step 3: Cross multiply
454,415.12x = 627,055.99 × 263,440.81 - Step 4: Simplify right side
454,415.12x = 165,192,137,920.95 - Step 5: Solve for x
x = 165,192,137,920.95/454,415.12 - Step 6: Final answer
x = 363,526.94
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1.5x scale
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.