Finding the Fourth Proportional to 319,476.70, 479,215.05 and 97,860.70
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Solution
The fourth proportional to 319,476.70, 479,215.05 and 97,860.70 is: 146,791.05
Step by Step Solution
- Step 1: Write the proportion equation
319,476.70 : 479,215.05 = 97,860.70 : x - Step 2: Convert to fraction form
319,476.70/479,215.05 = 97,860.70/x - Step 3: Cross multiply
319,476.70x = 479,215.05 × 97,860.70 - Step 4: Simplify right side
319,476.70x = 46,896,320,243.54 - Step 5: Solve for x
x = 46,896,320,243.54/319,476.70 - Step 6: Final answer
x = 146,791.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.