Finding the Fourth Proportional to 743,641.93, 1,115,489.36 and 238,137.23
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Solution
The fourth proportional to 743,641.93, 1,115,489.36 and 238,137.23 is: 357,214.32
Step by Step Solution
- Step 1: Write the proportion equation
743,641.93 : 1,115,489.36 = 238,137.23 : x - Step 2: Convert to fraction form
743,641.93/1,115,489.36 = 238,137.23/x - Step 3: Cross multiply
743,641.93x = 1,115,489.36 × 238,137.23 - Step 4: Simplify right side
743,641.93x = 265,639,545,689.53 - Step 5: Solve for x
x = 265,639,545,689.53/743,641.93 - Step 6: Final answer
x = 357,214.32
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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.