Finding the Fourth Proportional to 476,292.74, 657,829.49 and 313,676.18
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Solution
The fourth proportional to 476,292.74, 657,829.49 and 313,676.18 is: 433,232.38
Step by Step Solution
- Step 1: Write the proportion equation
476,292.74 : 657,829.49 = 313,676.18 : x - Step 2: Convert to fraction form
476,292.74/657,829.49 = 313,676.18/x - Step 3: Cross multiply
476,292.74x = 657,829.49 × 313,676.18 - Step 4: Simplify right side
476,292.74x = 206,345,438,225.40 - Step 5: Solve for x
x = 206,345,438,225.40/476,292.74 - Step 6: Final answer
x = 433,232.38
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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.