Finding the Fourth Proportional to 293,678.99, 440,573.62 and 93,945.75
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Solution
The fourth proportional to 293,678.99, 440,573.62 and 93,945.75 is: 140,936.26
Step by Step Solution
- Step 1: Write the proportion equation
293,678.99 : 440,573.62 = 93,945.75 : x - Step 2: Convert to fraction form
293,678.99/440,573.62 = 93,945.75/x - Step 3: Cross multiply
293,678.99x = 440,573.62 × 93,945.75 - Step 4: Simplify right side
293,678.99x = 41,390,018,557.25 - Step 5: Solve for x
x = 41,390,018,557.25/293,678.99 - Step 6: Final answer
x = 140,936.26
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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.