Finding the Fourth Proportional to 293,739.75, 405,363.29 and 159,603.75
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Solution
The fourth proportional to 293,739.75, 405,363.29 and 159,603.75 is: 220,254.50
Step by Step Solution
- Step 1: Write the proportion equation
293,739.75 : 405,363.29 = 159,603.75 : x - Step 2: Convert to fraction form
293,739.75/405,363.29 = 159,603.75/x - Step 3: Cross multiply
293,739.75x = 405,363.29 × 159,603.75 - Step 4: Simplify right side
293,739.75x = 64,697,500,398.32 - Step 5: Solve for x
x = 64,697,500,398.32/293,739.75 - Step 6: Final answer
x = 220,254.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.