Finding the Fourth Proportional to 549,243.18, 757,867.19 and 307,535.94
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Solution
The fourth proportional to 549,243.18, 757,867.19 and 307,535.94 is: 424,350.10
Step by Step Solution
- Step 1: Write the proportion equation
549,243.18 : 757,867.19 = 307,535.94 : x - Step 2: Convert to fraction form
549,243.18/757,867.19 = 307,535.94/x - Step 3: Cross multiply
549,243.18x = 757,867.19 × 307,535.94 - Step 4: Simplify right side
549,243.18x = 233,071,397,134.13 - Step 5: Solve for x
x = 233,071,397,134.13/549,243.18 - Step 6: Final answer
x = 424,350.10
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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.