Finding the Fourth Proportional to 324,838.12, 487,284.50 and 119,728.50
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Solution
The fourth proportional to 324,838.12, 487,284.50 and 119,728.50 is: 179,602.82
Step by Step Solution
- Step 1: Write the proportion equation
324,838.12 : 487,284.50 = 119,728.50 : x - Step 2: Convert to fraction form
324,838.12/487,284.50 = 119,728.50/x - Step 3: Cross multiply
324,838.12x = 487,284.50 × 119,728.50 - Step 4: Simplify right side
324,838.12x = 58,341,842,258.25 - Step 5: Solve for x
x = 58,341,842,258.25/324,838.12 - Step 6: Final answer
x = 179,602.82
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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.