Finding the Fourth Proportional to 912,607.58, 1,368,806.79 and 238,753.91
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Solution
The fourth proportional to 912,607.58, 1,368,806.79 and 238,753.91 is: 358,103.51
Step by Step Solution
- Step 1: Write the proportion equation
912,607.58 : 1,368,806.79 = 238,753.91 : x - Step 2: Convert to fraction form
912,607.58/1,368,806.79 = 238,753.91/x - Step 3: Cross multiply
912,607.58x = 1,368,806.79 × 238,753.91 - Step 4: Simplify right side
912,607.58x = 326,807,973,147.05 - Step 5: Solve for x
x = 326,807,973,147.05/912,607.58 - Step 6: Final answer
x = 358,103.51
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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.