Finding the Fourth Proportional to 549,795.68, 758,268.21 and 386,991.14
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Solution
The fourth proportional to 549,795.68, 758,268.21 and 386,991.14 is: 533,731.15
Step by Step Solution
- Step 1: Write the proportion equation
549,795.68 : 758,268.21 = 386,991.14 : x - Step 2: Convert to fraction form
549,795.68/758,268.21 = 386,991.14/x - Step 3: Cross multiply
549,795.68x = 758,268.21 × 386,991.14 - Step 4: Simplify right side
549,795.68x = 293,443,079,013.66 - Step 5: Solve for x
x = 293,443,079,013.66/549,795.68 - Step 6: Final answer
x = 533,731.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.