Finding the Fourth Proportional to 347,980.37, 480,204.99 and 202,777.07
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Solution
The fourth proportional to 347,980.37, 480,204.99 and 202,777.07 is: 279,827.74
Step by Step Solution
- Step 1: Write the proportion equation
347,980.37 : 480,204.99 = 202,777.07 : x - Step 2: Convert to fraction form
347,980.37/480,204.99 = 202,777.07/x - Step 3: Cross multiply
347,980.37x = 480,204.99 × 202,777.07 - Step 4: Simplify right side
347,980.37x = 97,374,558,470.55 - Step 5: Solve for x
x = 97,374,558,470.55/347,980.37 - Step 6: Final answer
x = 279,827.74
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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.