Finding the Fourth Proportional to 1,105,475.32, 1,658,212.98 and 306,757.09
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Solution
The fourth proportional to 1,105,475.32, 1,658,212.98 and 306,757.09 is: 460,135.64
Step by Step Solution
- Step 1: Write the proportion equation
1,105,475.32 : 1,658,212.98 = 306,757.09 : x - Step 2: Convert to fraction form
1,105,475.32/1,658,212.98 = 306,757.09/x - Step 3: Cross multiply
1,105,475.32x = 1,658,212.98 × 306,757.09 - Step 4: Simplify right side
1,105,475.32x = 508,668,588,345.03 - Step 5: Solve for x
x = 508,668,588,345.03/1,105,475.32 - Step 6: Final answer
x = 460,135.64
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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.