Finding the Fourth Proportional to 319,144.74, 478,718.68 and 94,509.42
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Solution
The fourth proportional to 319,144.74, 478,718.68 and 94,509.42 is: 141,764.59
Step by Step Solution
- Step 1: Write the proportion equation
319,144.74 : 478,718.68 = 94,509.42 : x - Step 2: Convert to fraction form
319,144.74/478,718.68 = 94,509.42/x - Step 3: Cross multiply
319,144.74x = 478,718.68 × 94,509.42 - Step 4: Simplify right side
319,144.74x = 45,243,424,789.97 - Step 5: Solve for x
x = 45,243,424,789.97/319,144.74 - Step 6: Final answer
x = 141,764.59
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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.