Finding the Fourth Proportional to 238,457.74, 329,079.77 and 131,031.63
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Solution
The fourth proportional to 238,457.74, 329,079.77 and 131,031.63 is: 180,828.09
Step by Step Solution
- Step 1: Write the proportion equation
238,457.74 : 329,079.77 = 131,031.63 : x - Step 2: Convert to fraction form
238,457.74/329,079.77 = 131,031.63/x - Step 3: Cross multiply
238,457.74x = 329,079.77 × 131,031.63 - Step 4: Simplify right side
238,457.74x = 43,119,858,663.13 - Step 5: Solve for x
x = 43,119,858,663.13/238,457.74 - Step 6: Final answer
x = 180,828.09
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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.