Finding the Fourth Proportional to 310,176.52, 428,059.08 and 174,203.44
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Solution
The fourth proportional to 310,176.52, 428,059.08 and 174,203.44 is: 240,409.44
Step by Step Solution
- Step 1: Write the proportion equation
310,176.52 : 428,059.08 = 174,203.44 : x - Step 2: Convert to fraction form
310,176.52/428,059.08 = 174,203.44/x - Step 3: Cross multiply
310,176.52x = 428,059.08 × 174,203.44 - Step 4: Simplify right side
310,176.52x = 74,569,364,259.24 - Step 5: Solve for x
x = 74,569,364,259.24/310,176.52 - Step 6: Final answer
x = 240,409.44
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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.