Finding the Fourth Proportional to 292,670.09, 438,998.28 and 134,898.54
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Solution
The fourth proportional to 292,670.09, 438,998.28 and 134,898.54 is: 202,344.65
Step by Step Solution
- Step 1: Write the proportion equation
292,670.09 : 438,998.28 = 134,898.54 : x - Step 2: Convert to fraction form
292,670.09/438,998.28 = 134,898.54/x - Step 3: Cross multiply
292,670.09x = 438,998.28 × 134,898.54 - Step 4: Simplify right side
292,670.09x = 59,220,227,034.51 - Step 5: Solve for x
x = 59,220,227,034.51/292,670.09 - Step 6: Final answer
x = 202,344.65
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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.