Finding the Fourth Proportional to 320,641.04, 442,497.66 and 177,398.75
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Solution
The fourth proportional to 320,641.04, 442,497.66 and 177,398.75 is: 244,817.48
Step by Step Solution
- Step 1: Write the proportion equation
320,641.04 : 442,497.66 = 177,398.75 : x - Step 2: Convert to fraction form
320,641.04/442,497.66 = 177,398.75/x - Step 3: Cross multiply
320,641.04x = 442,497.66 × 177,398.75 - Step 4: Simplify right side
320,641.04x = 78,498,531,761.93 - Step 5: Solve for x
x = 78,498,531,761.93/320,641.04 - Step 6: Final answer
x = 244,817.48
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1.5x scale
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.