Finding the Fourth Proportional to 329,138.93, 493,802.96 and 136,975.95
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Solution
The fourth proportional to 329,138.93, 493,802.96 and 136,975.95 is: 205,503.28
Step by Step Solution
- Step 1: Write the proportion equation
329,138.93 : 493,802.96 = 136,975.95 : x - Step 2: Convert to fraction form
329,138.93/493,802.96 = 136,975.95/x - Step 3: Cross multiply
329,138.93x = 493,802.96 × 136,975.95 - Step 4: Simplify right side
329,138.93x = 67,639,129,558.81 - Step 5: Solve for x
x = 67,639,129,558.81/329,138.93 - Step 6: Final answer
x = 205,503.28
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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.