Finding the Fourth Proportional to 292,282.10, 438,313.80 and 102,669.20
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Solution
The fourth proportional to 292,282.10, 438,313.80 and 102,669.20 is: 153,965.39
Step by Step Solution
- Step 1: Write the proportion equation
292,282.10 : 438,313.80 = 102,669.20 : x - Step 2: Convert to fraction form
292,282.10/438,313.80 = 102,669.20/x - Step 3: Cross multiply
292,282.10x = 438,313.80 × 102,669.20 - Step 4: Simplify right side
292,282.10x = 45,001,327,194.96 - Step 5: Solve for x
x = 45,001,327,194.96/292,282.10 - Step 6: Final answer
x = 153,965.39
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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.