Finding the Fourth Proportional to 189,220.19, 283,830.29 and 129,875.95
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Solution
The fourth proportional to 189,220.19, 283,830.29 and 129,875.95 is: 194,813.93
Step by Step Solution
- Step 1: Write the proportion equation
189,220.19 : 283,830.29 = 129,875.95 : x - Step 2: Convert to fraction form
189,220.19/283,830.29 = 129,875.95/x - Step 3: Cross multiply
189,220.19x = 283,830.29 × 129,875.95 - Step 4: Simplify right side
189,220.19x = 36,862,728,552.53 - Step 5: Solve for x
x = 36,862,728,552.53/189,220.19 - Step 6: Final answer
x = 194,813.93
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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.