Finding the Fourth Proportional to 214,625.79, 322,254.63 and 120,041.28
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Solution
The fourth proportional to 214,625.79, 322,254.63 and 120,041.28 is: 180,238.63
Step by Step Solution
- Step 1: Write the proportion equation
214,625.79 : 322,254.63 = 120,041.28 : x - Step 2: Convert to fraction form
214,625.79/322,254.63 = 120,041.28/x - Step 3: Cross multiply
214,625.79x = 322,254.63 × 120,041.28 - Step 4: Simplify right side
214,625.79x = 38,683,858,271.13 - Step 5: Solve for x
x = 38,683,858,271.13/214,625.79 - Step 6: Final answer
x = 180,238.63
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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.