Finding the Fourth Proportional to 332,415.90, 461,830.71 and 328,430.09
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Solution
The fourth proportional to 332,415.90, 461,830.71 and 328,430.09 is: 456,293.17
Step by Step Solution
- Step 1: Write the proportion equation
332,415.90 : 461,830.71 = 328,430.09 : x - Step 2: Convert to fraction form
332,415.90/461,830.71 = 328,430.09/x - Step 3: Cross multiply
332,415.90x = 461,830.71 × 328,430.09 - Step 4: Simplify right side
332,415.90x = 151,679,104,036.25 - Step 5: Solve for x
x = 151,679,104,036.25/332,415.90 - Step 6: Final answer
x = 456,293.17
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.