Finding the Fourth Proportional to 291,278.13, 437,087.04 and 122,788.14
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Solution
The fourth proportional to 291,278.13, 437,087.04 and 122,788.14 is: 184,253.81
Step by Step Solution
- Step 1: Write the proportion equation
291,278.13 : 437,087.04 = 122,788.14 : x - Step 2: Convert to fraction form
291,278.13/437,087.04 = 122,788.14/x - Step 3: Cross multiply
291,278.13x = 437,087.04 × 122,788.14 - Step 4: Simplify right side
291,278.13x = 53,669,104,659.71 - Step 5: Solve for x
x = 53,669,104,659.71/291,278.13 - Step 6: Final answer
x = 184,253.81
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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.