Finding the Fourth Proportional to 237,782.86, 356,486.69 and 117,881.09
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Solution
The fourth proportional to 237,782.86, 356,486.69 and 117,881.09 is: 176,728.63
Step by Step Solution
- Step 1: Write the proportion equation
237,782.86 : 356,486.69 = 117,881.09 : x - Step 2: Convert to fraction form
237,782.86/356,486.69 = 117,881.09/x - Step 3: Cross multiply
237,782.86x = 356,486.69 × 117,881.09 - Step 4: Simplify right side
237,782.86x = 42,023,038,773.71 - Step 5: Solve for x
x = 42,023,038,773.71/237,782.86 - Step 6: Final answer
x = 176,728.63
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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.