Finding the Fourth Proportional to 320,727.84, 442,605.28 and 177,497.76
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Solution
The fourth proportional to 320,727.84, 442,605.28 and 177,497.76 is: 244,947.39
Step by Step Solution
- Step 1: Write the proportion equation
320,727.84 : 442,605.28 = 177,497.76 : x - Step 2: Convert to fraction form
320,727.84/442,605.28 = 177,497.76/x - Step 3: Cross multiply
320,727.84x = 442,605.28 × 177,497.76 - Step 4: Simplify right side
320,727.84x = 78,561,445,764.17 - Step 5: Solve for x
x = 78,561,445,764.17/320,727.84 - Step 6: Final answer
x = 244,947.39
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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.