Finding the Fourth Proportional to 319,463.10, 479,194.65 and 97,818.30
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Solution
The fourth proportional to 319,463.10, 479,194.65 and 97,818.30 is: 146,727.45
Step by Step Solution
- Step 1: Write the proportion equation
319,463.10 : 479,194.65 = 97,818.30 : x - Step 2: Convert to fraction form
319,463.10/479,194.65 = 97,818.30/x - Step 3: Cross multiply
319,463.10x = 479,194.65 × 97,818.30 - Step 4: Simplify right side
319,463.10x = 46,874,006,032.10 - Step 5: Solve for x
x = 46,874,006,032.10/319,463.10 - Step 6: Final answer
x = 146,727.45
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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.