Finding the Fourth Proportional to 130,831.56, 180,549.44 and 73,483.28
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Solution
The fourth proportional to 130,831.56, 180,549.44 and 73,483.28 is: 101,407.99
Step by Step Solution
- Step 1: Write the proportion equation
130,831.56 : 180,549.44 = 73,483.28 : x - Step 2: Convert to fraction form
130,831.56/180,549.44 = 73,483.28/x - Step 3: Cross multiply
130,831.56x = 180,549.44 × 73,483.28 - Step 4: Simplify right side
130,831.56x = 13,267,365,053.36 - Step 5: Solve for x
x = 13,267,365,053.36/130,831.56 - Step 6: Final answer
x = 101,407.99
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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.