Finding the Fourth Proportional to 72,226.08, 108,341.28 and 19,636.68
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Solution
The fourth proportional to 72,226.08, 108,341.28 and 19,636.68 is: 29,455.61
Step by Step Solution
- Step 1: Write the proportion equation
72,226.08 : 108,341.28 = 19,636.68 : x - Step 2: Convert to fraction form
72,226.08/108,341.28 = 19,636.68/x - Step 3: Cross multiply
72,226.08x = 108,341.28 × 19,636.68 - Step 4: Simplify right side
72,226.08x = 2,127,463,046.15 - Step 5: Solve for x
x = 2,127,463,046.15/72,226.08 - Step 6: Final answer
x = 29,455.61
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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.