Finding the Fourth Proportional to 282,656.16, 424,129.50 and 156,272.94
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Solution
The fourth proportional to 282,656.16, 424,129.50 and 156,272.94 is: 234,489.72
Step by Step Solution
- Step 1: Write the proportion equation
282,656.16 : 424,129.50 = 156,272.94 : x - Step 2: Convert to fraction form
282,656.16/424,129.50 = 156,272.94/x - Step 3: Cross multiply
282,656.16x = 424,129.50 × 156,272.94 - Step 4: Simplify right side
282,656.16x = 66,279,963,905.73 - Step 5: Solve for x
x = 66,279,963,905.73/282,656.16 - Step 6: Final answer
x = 234,489.72
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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.