Finding the Fourth Proportional to 134,364.71, 185,328.45 and 91,318.93
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Solution
The fourth proportional to 134,364.71, 185,328.45 and 91,318.93 is: 125,955.66
Step by Step Solution
- Step 1: Write the proportion equation
134,364.71 : 185,328.45 = 91,318.93 : x - Step 2: Convert to fraction form
134,364.71/185,328.45 = 91,318.93/x - Step 3: Cross multiply
134,364.71x = 185,328.45 × 91,318.93 - Step 4: Simplify right side
134,364.71x = 16,923,995,289.24 - Step 5: Solve for x
x = 16,923,995,289.24/134,364.71 - Step 6: Final answer
x = 125,955.66
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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.