Finding the Fourth Proportional to 415,688.08, 573,655.08 and 245,917.84
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Solution
The fourth proportional to 415,688.08, 573,655.08 and 245,917.84 is: 339,369.89
Step by Step Solution
- Step 1: Write the proportion equation
415,688.08 : 573,655.08 = 245,917.84 : x - Step 2: Convert to fraction form
415,688.08/573,655.08 = 245,917.84/x - Step 3: Cross multiply
415,688.08x = 573,655.08 × 245,917.84 - Step 4: Simplify right side
415,688.08x = 141,072,018,178.63 - Step 5: Solve for x
x = 141,072,018,178.63/415,688.08 - Step 6: Final answer
x = 339,369.89
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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.