Finding the Fourth Proportional to 155,378.07, 233,078.85 and 43,056.99
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Solution
The fourth proportional to 155,378.07, 233,078.85 and 43,056.99 is: 64,588.74
Step by Step Solution
- Step 1: Write the proportion equation
155,378.07 : 233,078.85 = 43,056.99 : x - Step 2: Convert to fraction form
155,378.07/233,078.85 = 43,056.99/x - Step 3: Cross multiply
155,378.07x = 233,078.85 × 43,056.99 - Step 4: Simplify right side
155,378.07x = 10,035,673,713.66 - Step 5: Solve for x
x = 10,035,673,713.66/155,378.07 - Step 6: Final answer
x = 64,588.74
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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.