Finding the Fourth Proportional to 438,252.94, 657,371.19 and 138,751.49
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Solution
The fourth proportional to 438,252.94, 657,371.19 and 138,751.49 is: 208,124.63
Step by Step Solution
- Step 1: Write the proportion equation
438,252.94 : 657,371.19 = 138,751.49 : x - Step 2: Convert to fraction form
438,252.94/657,371.19 = 138,751.49/x - Step 3: Cross multiply
438,252.94x = 657,371.19 × 138,751.49 - Step 4: Simplify right side
438,252.94x = 91,211,232,095.57 - Step 5: Solve for x
x = 91,211,232,095.57/438,252.94 - Step 6: Final answer
x = 208,124.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.