Finding the Fourth Proportional to 115,440.81, 173,178.53 and 40,547.75
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Solution
The fourth proportional to 115,440.81, 173,178.53 and 40,547.75 is: 60,827.71
Step by Step Solution
- Step 1: Write the proportion equation
115,440.81 : 173,178.53 = 40,547.75 : x - Step 2: Convert to fraction form
115,440.81/173,178.53 = 40,547.75/x - Step 3: Cross multiply
115,440.81x = 173,178.53 × 40,547.75 - Step 4: Simplify right side
115,440.81x = 7,021,999,970.02 - Step 5: Solve for x
x = 7,021,999,970.02/115,440.81 - Step 6: Final answer
x = 60,827.71
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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.