Finding the Fourth Proportional to 329,113.63, 493,670.51 and 79,795.63
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Solution
The fourth proportional to 329,113.63, 493,670.51 and 79,795.63 is: 119,693.45
Step by Step Solution
- Step 1: Write the proportion equation
329,113.63 : 493,670.51 = 79,795.63 : x - Step 2: Convert to fraction form
329,113.63/493,670.51 = 79,795.63/x - Step 3: Cross multiply
329,113.63x = 493,670.51 × 79,795.63 - Step 4: Simplify right side
329,113.63x = 39,392,746,490.54 - Step 5: Solve for x
x = 39,392,746,490.54/329,113.63 - Step 6: Final answer
x = 119,693.45
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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.