Finding the Fourth Proportional to 320,966.08, 442,927.78 and 177,723.05
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Solution
The fourth proportional to 320,966.08, 442,927.78 and 177,723.05 is: 245,254.81
Step by Step Solution
- Step 1: Write the proportion equation
320,966.08 : 442,927.78 = 177,723.05 : x - Step 2: Convert to fraction form
320,966.08/442,927.78 = 177,723.05/x - Step 3: Cross multiply
320,966.08x = 442,927.78 × 177,723.05 - Step 4: Simplify right side
320,966.08x = 78,718,475,077.96 - Step 5: Solve for x
x = 78,718,475,077.96/320,966.08 - Step 6: Final answer
x = 245,254.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.