Finding the Fourth Proportional to 130,777.96, 180,473.70 and 73,409.26
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Solution
The fourth proportional to 130,777.96, 180,473.70 and 73,409.26 is: 101,304.84
Step by Step Solution
- Step 1: Write the proportion equation
130,777.96 : 180,473.70 = 73,409.26 : x - Step 2: Convert to fraction form
130,777.96/180,473.70 = 73,409.26/x - Step 3: Cross multiply
130,777.96x = 180,473.70 × 73,409.26 - Step 4: Simplify right side
130,777.96x = 13,248,440,766.46 - Step 5: Solve for x
x = 13,248,440,766.46/130,777.96 - Step 6: Final answer
x = 101,304.84
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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.