Finding the Fourth Proportional to 175,831.56, 263,779.74 and 57,509.19
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Solution
The fourth proportional to 175,831.56, 263,779.74 and 57,509.19 is: 86,274.38
Step by Step Solution
- Step 1: Write the proportion equation
175,831.56 : 263,779.74 = 57,509.19 : x - Step 2: Convert to fraction form
175,831.56/263,779.74 = 57,509.19/x - Step 3: Cross multiply
175,831.56x = 263,779.74 × 57,509.19 - Step 4: Simplify right side
175,831.56x = 15,169,759,185.81 - Step 5: Solve for x
x = 15,169,759,185.81/175,831.56 - Step 6: Final answer
x = 86,274.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.