Finding the Fourth Proportional to 249,514.09, 343,970.93 and 177,769.55
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Solution
The fourth proportional to 249,514.09, 343,970.93 and 177,769.55 is: 245,066.55
Step by Step Solution
- Step 1: Write the proportion equation
249,514.09 : 343,970.93 = 177,769.55 : x - Step 2: Convert to fraction form
249,514.09/343,970.93 = 177,769.55/x - Step 3: Cross multiply
249,514.09x = 343,970.93 × 177,769.55 - Step 4: Simplify right side
249,514.09x = 61,147,557,439.18 - Step 5: Solve for x
x = 61,147,557,439.18/249,514.09 - Step 6: Final answer
x = 245,066.55
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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.