Finding the Fourth Proportional to 159,955.69, 239,985.36 and 47,636.84
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Solution
The fourth proportional to 159,955.69, 239,985.36 and 47,636.84 is: 71,470.69
Step by Step Solution
- Step 1: Write the proportion equation
159,955.69 : 239,985.36 = 47,636.84 : x - Step 2: Convert to fraction form
159,955.69/239,985.36 = 47,636.84/x - Step 3: Cross multiply
159,955.69x = 239,985.36 × 47,636.84 - Step 4: Simplify right side
159,955.69x = 11,432,144,196.66 - Step 5: Solve for x
x = 11,432,144,196.66/159,955.69 - Step 6: Final answer
x = 71,470.69
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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.