Finding the Fourth Proportional to 325,395.15, 488,407.58 and 157,034.00
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Solution
The fourth proportional to 325,395.15, 488,407.58 and 157,034.00 is: 235,702.94
Step by Step Solution
- Step 1: Write the proportion equation
325,395.15 : 488,407.58 = 157,034.00 : x - Step 2: Convert to fraction form
325,395.15/488,407.58 = 157,034.00/x - Step 3: Cross multiply
325,395.15x = 488,407.58 × 157,034.00 - Step 4: Simplify right side
325,395.15x = 76,696,594,195.15 - Step 5: Solve for x
x = 76,696,594,195.15/325,395.15 - Step 6: Final answer
x = 235,702.94
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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.