Finding the Fourth Proportional to 312,177.24, 430,804.56 and 168,937.26
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Solution
The fourth proportional to 312,177.24, 430,804.56 and 168,937.26 is: 233,133.40
Step by Step Solution
- Step 1: Write the proportion equation
312,177.24 : 430,804.56 = 168,937.26 : x - Step 2: Convert to fraction form
312,177.24/430,804.56 = 168,937.26/x - Step 3: Cross multiply
312,177.24x = 430,804.56 × 168,937.26 - Step 4: Simplify right side
312,177.24x = 72,778,941,961.91 - Step 5: Solve for x
x = 72,778,941,961.91/312,177.24 - Step 6: Final answer
x = 233,133.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.