Finding the Fourth Proportional to 479,332.58, 661,478.45 and 264,472.63
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Solution
The fourth proportional to 479,332.58, 661,478.45 and 264,472.63 is: 364,971.95
Step by Step Solution
- Step 1: Write the proportion equation
479,332.58 : 661,478.45 = 264,472.63 : x - Step 2: Convert to fraction form
479,332.58/661,478.45 = 264,472.63/x - Step 3: Cross multiply
479,332.58x = 661,478.45 × 264,472.63 - Step 4: Simplify right side
479,332.58x = 174,942,942,383.76 - Step 5: Solve for x
x = 174,942,942,383.76/479,332.58 - Step 6: Final answer
x = 364,971.95
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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.