Finding the Fourth Proportional to 324,473.69, 486,727.86 and 99,988.31
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Solution
The fourth proportional to 324,473.69, 486,727.86 and 99,988.31 is: 149,987.80
Step by Step Solution
- Step 1: Write the proportion equation
324,473.69 : 486,727.86 = 99,988.31 : x - Step 2: Convert to fraction form
324,473.69/486,727.86 = 99,988.31/x - Step 3: Cross multiply
324,473.69x = 486,727.86 × 99,988.31 - Step 4: Simplify right side
324,473.69x = 48,667,096,151.32 - Step 5: Solve for x
x = 48,667,096,151.32/324,473.69 - Step 6: Final answer
x = 149,987.80
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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.