Finding the Fourth Proportional to 307,536.21, 424,327.68 and 186,674.49
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Solution
The fourth proportional to 307,536.21, 424,327.68 and 186,674.49 is: 257,566.92
Step by Step Solution
- Step 1: Write the proportion equation
307,536.21 : 424,327.68 = 186,674.49 : x - Step 2: Convert to fraction form
307,536.21/424,327.68 = 186,674.49/x - Step 3: Cross multiply
307,536.21x = 424,327.68 × 186,674.49 - Step 4: Simplify right side
307,536.21x = 79,211,153,256.88 - Step 5: Solve for x
x = 79,211,153,256.88/307,536.21 - Step 6: Final answer
x = 257,566.92
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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.