Finding the Fourth Proportional to 328,285.17, 492,230.93 and 159,473.07
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Solution
The fourth proportional to 328,285.17, 492,230.93 and 159,473.07 is: 239,113.99
Step by Step Solution
- Step 1: Write the proportion equation
328,285.17 : 492,230.93 = 159,473.07 : x - Step 2: Convert to fraction form
328,285.17/492,230.93 = 159,473.07/x - Step 3: Cross multiply
328,285.17x = 492,230.93 × 159,473.07 - Step 4: Simplify right side
328,285.17x = 78,497,576,758.69 - Step 5: Solve for x
x = 78,497,576,758.69/328,285.17 - Step 6: Final answer
x = 239,113.99
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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.