Finding the Fourth Proportional to 176,574.74, 243,678.25 and 107,668.26
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Solution
The fourth proportional to 176,574.74, 243,678.25 and 107,668.26 is: 148,585.31
Step by Step Solution
- Step 1: Write the proportion equation
176,574.74 : 243,678.25 = 107,668.26 : x - Step 2: Convert to fraction form
176,574.74/243,678.25 = 107,668.26/x - Step 3: Cross multiply
176,574.74x = 243,678.25 × 107,668.26 - Step 4: Simplify right side
176,574.74x = 26,236,413,177.35 - Step 5: Solve for x
x = 26,236,413,177.35/176,574.74 - Step 6: Final answer
x = 148,585.31
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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.