Finding the Fourth Proportional to 329,070.74, 493,606.11 and 79,752.74
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Solution
The fourth proportional to 329,070.74, 493,606.11 and 79,752.74 is: 119,629.11
Step by Step Solution
- Step 1: Write the proportion equation
329,070.74 : 493,606.11 = 79,752.74 : x - Step 2: Convert to fraction form
329,070.74/493,606.11 = 79,752.74/x - Step 3: Cross multiply
329,070.74x = 493,606.11 × 79,752.74 - Step 4: Simplify right side
329,070.74x = 39,366,439,753.24 - Step 5: Solve for x
x = 39,366,439,753.24/329,070.74 - Step 6: Final answer
x = 119,629.11
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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.