Finding the Fourth Proportional to 358,531.92, 537,710.40 and 148,230
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Solution
The fourth proportional to 358,531.92, 537,710.40 and 148,230 is: 222,308.83
Step by Step Solution
- Step 1: Write the proportion equation
358,531.92 : 537,710.40 = 148,230 : x - Step 2: Convert to fraction form
358,531.92/537,710.40 = 148,230/x - Step 3: Cross multiply
358,531.92x = 537,710.40 × 148,230 - Step 4: Simplify right side
358,531.92x = 79,704,812,592 - Step 5: Solve for x
x = 79,704,812,592/358,531.92 - Step 6: Final answer
x = 222,308.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.