Finding the Fourth Proportional to 429,202.06, 643,943.58 and 176,601.54
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Solution
The fourth proportional to 429,202.06, 643,943.58 and 176,601.54 is: 264,960.12
Step by Step Solution
- Step 1: Write the proportion equation
429,202.06 : 643,943.58 = 176,601.54 : x - Step 2: Convert to fraction form
429,202.06/643,943.58 = 176,601.54/x - Step 3: Cross multiply
429,202.06x = 643,943.58 × 176,601.54 - Step 4: Simplify right side
429,202.06x = 113,721,427,901.11 - Step 5: Solve for x
x = 113,721,427,901.11/429,202.06 - Step 6: Final answer
x = 264,960.12
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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.