Finding the Fourth Proportional to 189,032.18, 283,603.61 and 55,915.99
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Solution
The fourth proportional to 189,032.18, 283,603.61 and 55,915.99 is: 83,890.35
Step by Step Solution
- Step 1: Write the proportion equation
189,032.18 : 283,603.61 = 55,915.99 : x - Step 2: Convert to fraction form
189,032.18/283,603.61 = 55,915.99/x - Step 3: Cross multiply
189,032.18x = 283,603.61 × 55,915.99 - Step 4: Simplify right side
189,032.18x = 15,857,976,051.50 - Step 5: Solve for x
x = 15,857,976,051.50/189,032.18 - Step 6: Final answer
x = 83,890.35
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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.