Finding the Fourth Proportional to 316,996.05, 475,986.15 and 184,135.80
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Solution
The fourth proportional to 316,996.05, 475,986.15 and 184,135.80 is: 276,489.54
Step by Step Solution
- Step 1: Write the proportion equation
316,996.05 : 475,986.15 = 184,135.80 : x - Step 2: Convert to fraction form
316,996.05/475,986.15 = 184,135.80/x - Step 3: Cross multiply
316,996.05x = 475,986.15 × 184,135.80 - Step 4: Simplify right side
316,996.05x = 87,646,090,519.17 - Step 5: Solve for x
x = 87,646,090,519.17/316,996.05 - Step 6: Final answer
x = 276,489.54
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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.