Finding the Fourth Proportional to 92,302.16, 138,453.23 and 29,128.68
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Solution
The fourth proportional to 92,302.16, 138,453.23 and 29,128.68 is: 43,693.02
Step by Step Solution
- Step 1: Write the proportion equation
92,302.16 : 138,453.23 = 29,128.68 : x - Step 2: Convert to fraction form
92,302.16/138,453.23 = 29,128.68/x - Step 3: Cross multiply
92,302.16x = 138,453.23 × 29,128.68 - Step 4: Simplify right side
92,302.16x = 4,032,959,904.46 - Step 5: Solve for x
x = 4,032,959,904.46/92,302.16 - Step 6: Final answer
x = 43,693.02
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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.