Finding the Fourth Proportional to 549,402.23, 758,138.99 and 307,629.38
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Solution
The fourth proportional to 549,402.23, 758,138.99 and 307,629.38 is: 424,508.33
Step by Step Solution
- Step 1: Write the proportion equation
549,402.23 : 758,138.99 = 307,629.38 : x - Step 2: Convert to fraction form
549,402.23/758,138.99 = 307,629.38/x - Step 3: Cross multiply
549,402.23x = 758,138.99 × 307,629.38 - Step 4: Simplify right side
549,402.23x = 233,225,822,118.68 - Step 5: Solve for x
x = 233,225,822,118.68/549,402.23 - Step 6: Final answer
x = 424,508.33
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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.