Finding the Fourth Proportional to 393,529.88, 543,055.14 and 232,437.08
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Solution
The fourth proportional to 393,529.88, 543,055.14 and 232,437.08 is: 320,753.66
Step by Step Solution
- Step 1: Write the proportion equation
393,529.88 : 543,055.14 = 232,437.08 : x - Step 2: Convert to fraction form
393,529.88/543,055.14 = 232,437.08/x - Step 3: Cross multiply
393,529.88x = 543,055.14 × 232,437.08 - Step 4: Simplify right side
393,529.88x = 126,226,151,020.59 - Step 5: Solve for x
x = 126,226,151,020.59/393,529.88 - Step 6: Final answer
x = 320,753.66
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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.