Finding the Fourth Proportional to 912,607.63, 1,368,806.87 and 238,753.99
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Solution
The fourth proportional to 912,607.63, 1,368,806.87 and 238,753.99 is: 358,103.62
Step by Step Solution
- Step 1: Write the proportion equation
912,607.63 : 1,368,806.87 = 238,753.99 : x - Step 2: Convert to fraction form
912,607.63/1,368,806.87 = 238,753.99/x - Step 3: Cross multiply
912,607.63x = 1,368,806.87 × 238,753.99 - Step 4: Simplify right side
912,607.63x = 326,808,093,714.11 - Step 5: Solve for x
x = 326,808,093,714.11/912,607.63 - Step 6: Final answer
x = 358,103.62
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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.