Finding the Fourth Proportional to 157,276.91, 235,718.64 and 123,865.02
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Solution
The fourth proportional to 157,276.91, 235,718.64 and 123,865.02 is: 185,642.59
Step by Step Solution
- Step 1: Write the proportion equation
157,276.91 : 235,718.64 = 123,865.02 : x - Step 2: Convert to fraction form
157,276.91/235,718.64 = 123,865.02/x - Step 3: Cross multiply
157,276.91x = 235,718.64 × 123,865.02 - Step 4: Simplify right side
157,276.91x = 29,197,294,057.97 - Step 5: Solve for x
x = 29,197,294,057.97/157,276.91 - Step 6: Final answer
x = 185,642.59
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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.