Finding the Fourth Proportional to 517,323.21, 776,101.58 and 157,526.23
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Solution
The fourth proportional to 517,323.21, 776,101.58 and 157,526.23 is: 236,324.89
Step by Step Solution
- Step 1: Write the proportion equation
517,323.21 : 776,101.58 = 157,526.23 : x - Step 2: Convert to fraction form
517,323.21/776,101.58 = 157,526.23/x - Step 3: Cross multiply
517,323.21x = 776,101.58 × 157,526.23 - Step 4: Simplify right side
517,323.21x = 122,256,351,720.12 - Step 5: Solve for x
x = 122,256,351,720.12/517,323.21 - Step 6: Final answer
x = 236,324.89
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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.