Finding the Fourth Proportional to 261,858.41, 361,502.70 and 176,267.40
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Solution
The fourth proportional to 261,858.41, 361,502.70 and 176,267.40 is: 243,341.96
Step by Step Solution
- Step 1: Write the proportion equation
261,858.41 : 361,502.70 = 176,267.40 : x - Step 2: Convert to fraction form
261,858.41/361,502.70 = 176,267.40/x - Step 3: Cross multiply
261,858.41x = 361,502.70 × 176,267.40 - Step 4: Simplify right side
261,858.41x = 63,721,138,333.13 - Step 5: Solve for x
x = 63,721,138,333.13/261,858.41 - Step 6: Final answer
x = 243,341.96
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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.