Finding the Fourth Proportional to 543,318.68, 749,742.28 and 301,582.23
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Solution
The fourth proportional to 543,318.68, 749,742.28 and 301,582.23 is: 416,162.65
Step by Step Solution
- Step 1: Write the proportion equation
543,318.68 : 749,742.28 = 301,582.23 : x - Step 2: Convert to fraction form
543,318.68/749,742.28 = 301,582.23/x - Step 3: Cross multiply
543,318.68x = 749,742.28 × 301,582.23 - Step 4: Simplify right side
543,318.68x = 226,108,943,471.06 - Step 5: Solve for x
x = 226,108,943,471.06/543,318.68 - Step 6: Final answer
x = 416,162.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.