Finding the Fourth Proportional to 145,654.99, 218,482.49 and 83,281.75
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Solution
The fourth proportional to 145,654.99, 218,482.49 and 83,281.75 is: 124,922.63
Step by Step Solution
- Step 1: Write the proportion equation
145,654.99 : 218,482.49 = 83,281.75 : x - Step 2: Convert to fraction form
145,654.99/218,482.49 = 83,281.75/x - Step 3: Cross multiply
145,654.99x = 218,482.49 × 83,281.75 - Step 4: Simplify right side
145,654.99x = 18,195,604,111.56 - Step 5: Solve for x
x = 18,195,604,111.56/145,654.99 - Step 6: Final answer
x = 124,922.63
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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.