Finding the Fourth Proportional to 374,279.08, 561,579.48 and 121,637.01
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Solution
The fourth proportional to 374,279.08, 561,579.48 and 121,637.01 is: 182,507.79
Step by Step Solution
- Step 1: Write the proportion equation
374,279.08 : 561,579.48 = 121,637.01 : x - Step 2: Convert to fraction form
374,279.08/561,579.48 = 121,637.01/x - Step 3: Cross multiply
374,279.08x = 561,579.48 × 121,637.01 - Step 4: Simplify right side
374,279.08x = 68,308,847,771.59 - Step 5: Solve for x
x = 68,308,847,771.59/374,279.08 - Step 6: Final answer
x = 182,507.79
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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.