Finding the Fourth Proportional to 320,808.84, 442,669.86 and 177,568.53
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Solution
The fourth proportional to 320,808.84, 442,669.86 and 177,568.53 is: 245,018.92
Step by Step Solution
- Step 1: Write the proportion equation
320,808.84 : 442,669.86 = 177,568.53 : x - Step 2: Convert to fraction form
320,808.84/442,669.86 = 177,568.53/x - Step 3: Cross multiply
320,808.84x = 442,669.86 × 177,568.53 - Step 4: Simplify right side
320,808.84x = 78,604,236,315.51 - Step 5: Solve for x
x = 78,604,236,315.51/320,808.84 - Step 6: Final answer
x = 245,018.92
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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.