Finding the Fourth Proportional to 416,541.81, 624,340.22 and 191,436.99
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Solution
The fourth proportional to 416,541.81, 624,340.22 and 191,436.99 is: 286,938.32
Step by Step Solution
- Step 1: Write the proportion equation
416,541.81 : 624,340.22 = 191,436.99 : x - Step 2: Convert to fraction form
416,541.81/624,340.22 = 191,436.99/x - Step 3: Cross multiply
416,541.81x = 624,340.22 × 191,436.99 - Step 4: Simplify right side
416,541.81x = 119,521,808,373.85 - Step 5: Solve for x
x = 119,521,808,373.85/416,541.81 - Step 6: Final answer
x = 286,938.32
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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.