Finding the Fourth Proportional to 246,428.48, 340,063.68 and 138,996.96
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Solution
The fourth proportional to 246,428.48, 340,063.68 and 138,996.96 is: 191,811.51
Step by Step Solution
- Step 1: Write the proportion equation
246,428.48 : 340,063.68 = 138,996.96 : x - Step 2: Convert to fraction form
246,428.48/340,063.68 = 138,996.96/x - Step 3: Cross multiply
246,428.48x = 340,063.68 × 138,996.96 - Step 4: Simplify right side
246,428.48x = 47,267,817,726.41 - Step 5: Solve for x
x = 47,267,817,726.41/246,428.48 - Step 6: Final answer
x = 191,811.51
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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.