Finding the Fourth Proportional to 294,542.48, 442,478.80 and 174,678.05
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Solution
The fourth proportional to 294,542.48, 442,478.80 and 174,678.05 is: 262,411.50
Step by Step Solution
- Step 1: Write the proportion equation
294,542.48 : 442,478.80 = 174,678.05 : x - Step 2: Convert to fraction form
294,542.48/442,478.80 = 174,678.05/x - Step 3: Cross multiply
294,542.48x = 442,478.80 × 174,678.05 - Step 4: Simplify right side
294,542.48x = 77,291,335,769.24 - Step 5: Solve for x
x = 77,291,335,769.24/294,542.48 - Step 6: Final answer
x = 262,411.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.