Finding the Fourth Proportional to 292,254.23, 438,406.17 and 102,698.21
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Solution
The fourth proportional to 292,254.23, 438,406.17 and 102,698.21 is: 154,056.04
Step by Step Solution
- Step 1: Write the proportion equation
292,254.23 : 438,406.17 = 102,698.21 : x - Step 2: Convert to fraction form
292,254.23/438,406.17 = 102,698.21/x - Step 3: Cross multiply
292,254.23x = 438,406.17 × 102,698.21 - Step 4: Simplify right side
292,254.23x = 45,023,528,911.96 - Step 5: Solve for x
x = 45,023,528,911.96/292,254.23 - Step 6: Final answer
x = 154,056.04
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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.