Finding the Fourth Proportional to 214,663.64, 296,371.91 and 138,210.98
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Solution
The fourth proportional to 214,663.64, 296,371.91 and 138,210.98 is: 190,818.77
Step by Step Solution
- Step 1: Write the proportion equation
214,663.64 : 296,371.91 = 138,210.98 : x - Step 2: Convert to fraction form
214,663.64/296,371.91 = 138,210.98/x - Step 3: Cross multiply
214,663.64x = 296,371.91 × 138,210.98 - Step 4: Simplify right side
214,663.64x = 40,961,850,989.24 - Step 5: Solve for x
x = 40,961,850,989.24/214,663.64 - Step 6: Final answer
x = 190,818.77
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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.