Finding the Fourth Proportional to 316,602.36, 436,924.26 and 173,374.92
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Solution
The fourth proportional to 316,602.36, 436,924.26 and 173,374.92 is: 239,264.51
Step by Step Solution
- Step 1: Write the proportion equation
316,602.36 : 436,924.26 = 173,374.92 : x - Step 2: Convert to fraction form
316,602.36/436,924.26 = 173,374.92/x - Step 3: Cross multiply
316,602.36x = 436,924.26 × 173,374.92 - Step 4: Simplify right side
316,602.36x = 75,751,708,623.56 - Step 5: Solve for x
x = 75,751,708,623.56/316,602.36 - Step 6: Final answer
x = 239,264.51
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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.