Finding the Fourth Proportional to 249,512.09, 343,968.17 and 177,767.55
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Solution
The fourth proportional to 249,512.09, 343,968.17 and 177,767.55 is: 245,063.80
Step by Step Solution
- Step 1: Write the proportion equation
249,512.09 : 343,968.17 = 177,767.55 : x - Step 2: Convert to fraction form
249,512.09/343,968.17 = 177,767.55/x - Step 3: Cross multiply
249,512.09x = 343,968.17 × 177,767.55 - Step 4: Simplify right side
249,512.09x = 61,146,379,303.30 - Step 5: Solve for x
x = 61,146,379,303.30/249,512.09 - Step 6: Final answer
x = 245,063.80
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1.5x scale
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.