Finding the Fourth Proportional to 432,823.70, 649,244.78 and 148,511.99
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Solution
The fourth proportional to 432,823.70, 649,244.78 and 148,511.99 is: 222,771.16
Step by Step Solution
- Step 1: Write the proportion equation
432,823.70 : 649,244.78 = 148,511.99 : x - Step 2: Convert to fraction form
432,823.70/649,244.78 = 148,511.99/x - Step 3: Cross multiply
432,823.70x = 649,244.78 × 148,511.99 - Step 4: Simplify right side
432,823.70x = 96,420,636,834.23 - Step 5: Solve for x
x = 96,420,636,834.23/432,823.70 - Step 6: Final answer
x = 222,771.16
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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.