Finding the Fourth Proportional to 105,689.79, 158,529.18 and 26,804.70
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Solution
The fourth proportional to 105,689.79, 158,529.18 and 26,804.70 is: 40,205.65
Step by Step Solution
- Step 1: Write the proportion equation
105,689.79 : 158,529.18 = 26,804.70 : x - Step 2: Convert to fraction form
105,689.79/158,529.18 = 26,804.70/x - Step 3: Cross multiply
105,689.79x = 158,529.18 × 26,804.70 - Step 4: Simplify right side
105,689.79x = 4,249,327,111.15 - Step 5: Solve for x
x = 4,249,327,111.15/105,689.79 - Step 6: Final answer
x = 40,205.65
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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.