Finding the Fourth Proportional to 329,709.65, 494,559.05 and 105,066.99
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Solution
The fourth proportional to 329,709.65, 494,559.05 and 105,066.99 is: 157,598.76
Step by Step Solution
- Step 1: Write the proportion equation
329,709.65 : 494,559.05 = 105,066.99 : x - Step 2: Convert to fraction form
329,709.65/494,559.05 = 105,066.99/x - Step 3: Cross multiply
329,709.65x = 494,559.05 × 105,066.99 - Step 4: Simplify right side
329,709.65x = 51,961,830,235.42 - Step 5: Solve for x
x = 51,961,830,235.42/329,709.65 - Step 6: Final answer
x = 157,598.76
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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.