Finding the Fourth Proportional to 332,428.70, 498,643.05 and 155,281.70
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Solution
The fourth proportional to 332,428.70, 498,643.05 and 155,281.70 is: 232,922.55
Step by Step Solution
- Step 1: Write the proportion equation
332,428.70 : 498,643.05 = 155,281.70 : x - Step 2: Convert to fraction form
332,428.70/498,643.05 = 155,281.70/x - Step 3: Cross multiply
332,428.70x = 498,643.05 × 155,281.70 - Step 4: Simplify right side
332,428.70x = 77,430,140,497.19 - Step 5: Solve for x
x = 77,430,140,497.19/332,428.70 - Step 6: Final answer
x = 232,922.55
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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.