Finding the Fourth Proportional to 307,764.93, 461,486.61 and 139,204.74
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Solution
The fourth proportional to 307,764.93, 461,486.61 and 139,204.74 is: 208,734.39
Step by Step Solution
- Step 1: Write the proportion equation
307,764.93 : 461,486.61 = 139,204.74 : x - Step 2: Convert to fraction form
307,764.93/461,486.61 = 139,204.74/x - Step 3: Cross multiply
307,764.93x = 461,486.61 × 139,204.74 - Step 4: Simplify right side
307,764.93x = 64,241,123,558.53 - Step 5: Solve for x
x = 64,241,123,558.53/307,764.93 - Step 6: Final answer
x = 208,734.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.