Finding the Fourth Proportional to 319,852.96, 441,397.74 and 176,613.28
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Solution
The fourth proportional to 319,852.96, 441,397.74 and 176,613.28 is: 243,726.69
Step by Step Solution
- Step 1: Write the proportion equation
319,852.96 : 441,397.74 = 176,613.28 : x - Step 2: Convert to fraction form
319,852.96/441,397.74 = 176,613.28/x - Step 3: Cross multiply
319,852.96x = 441,397.74 × 176,613.28 - Step 4: Simplify right side
319,852.96x = 77,956,702,645.99 - Step 5: Solve for x
x = 77,956,702,645.99/319,852.96 - Step 6: Final answer
x = 243,726.69
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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.