Finding the Fourth Proportional to 329,037.13, 493,341.85 and 129,376.99
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Solution
The fourth proportional to 329,037.13, 493,341.85 and 129,376.99 is: 193,981.40
Step by Step Solution
- Step 1: Write the proportion equation
329,037.13 : 493,341.85 = 129,376.99 : x - Step 2: Convert to fraction form
329,037.13/493,341.85 = 129,376.99/x - Step 3: Cross multiply
329,037.13x = 493,341.85 × 129,376.99 - Step 4: Simplify right side
329,037.13x = 63,827,083,594.03 - Step 5: Solve for x
x = 63,827,083,594.03/329,037.13 - Step 6: Final answer
x = 193,981.40
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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.