Finding the Fourth Proportional to 329,070.99, 493,606.49 and 79,752.99
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Solution
The fourth proportional to 329,070.99, 493,606.49 and 79,752.99 is: 119,629.49
Step by Step Solution
- Step 1: Write the proportion equation
329,070.99 : 493,606.49 = 79,752.99 : x - Step 2: Convert to fraction form
329,070.99/493,606.49 = 79,752.99/x - Step 3: Cross multiply
329,070.99x = 493,606.49 × 79,752.99 - Step 4: Simplify right side
329,070.99x = 39,366,593,062.14 - Step 5: Solve for x
x = 39,366,593,062.14/329,070.99 - Step 6: Final answer
x = 119,629.49
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1.5x scale
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.