Finding the Fourth Proportional to 320,780.14, 442,637.76 and 184,858.63
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Solution
The fourth proportional to 320,780.14, 442,637.76 and 184,858.63 is: 255,082.53
Step by Step Solution
- Step 1: Write the proportion equation
320,780.14 : 442,637.76 = 184,858.63 : x - Step 2: Convert to fraction form
320,780.14/442,637.76 = 184,858.63/x - Step 3: Cross multiply
320,780.14x = 442,637.76 × 184,858.63 - Step 4: Simplify right side
320,780.14x = 81,825,409,899.87 - Step 5: Solve for x
x = 81,825,409,899.87/320,780.14 - Step 6: Final answer
x = 255,082.53
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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.