Finding the Fourth Proportional to 476,602.56, 657,711.18 and 261,756.18
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Solution
The fourth proportional to 476,602.56, 657,711.18 and 261,756.18 is: 361,223.33
Step by Step Solution
- Step 1: Write the proportion equation
476,602.56 : 657,711.18 = 261,756.18 : x - Step 2: Convert to fraction form
476,602.56/657,711.18 = 261,756.18/x - Step 3: Cross multiply
476,602.56x = 657,711.18 × 261,756.18 - Step 4: Simplify right side
476,602.56x = 172,159,966,020.09 - Step 5: Solve for x
x = 172,159,966,020.09/476,602.56 - Step 6: Final answer
x = 361,223.33
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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.