Finding the Fourth Proportional to 418,030.08, 626,912.64 and 137,482.08
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Solution
The fourth proportional to 418,030.08, 626,912.64 and 137,482.08 is: 206,179.55
Step by Step Solution
- Step 1: Write the proportion equation
418,030.08 : 626,912.64 = 137,482.08 : x - Step 2: Convert to fraction form
418,030.08/626,912.64 = 137,482.08/x - Step 3: Cross multiply
418,030.08x = 626,912.64 × 137,482.08 - Step 4: Simplify right side
418,030.08x = 86,189,253,725.49 - Step 5: Solve for x
x = 86,189,253,725.49/418,030.08 - Step 6: Final answer
x = 206,179.55
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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.