Finding the Fourth Proportional to 383,757.14, 575,637.16 and 117,516.62
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Solution
The fourth proportional to 383,757.14, 575,637.16 and 117,516.62 is: 176,275.37
Step by Step Solution
- Step 1: Write the proportion equation
383,757.14 : 575,637.16 = 117,516.62 : x - Step 2: Convert to fraction form
383,757.14/575,637.16 = 117,516.62/x - Step 3: Cross multiply
383,757.14x = 575,637.16 × 117,516.62 - Step 4: Simplify right side
383,757.14x = 67,646,933,389.60 - Step 5: Solve for x
x = 67,646,933,389.60/383,757.14 - Step 6: Final answer
x = 176,275.37
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1.5x scale
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.