Finding the Fourth Proportional to 344,631.66, 516,947.76 and 107,992.80
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Solution
The fourth proportional to 344,631.66, 516,947.76 and 107,992.80 is: 161,989.28
Step by Step Solution
- Step 1: Write the proportion equation
344,631.66 : 516,947.76 = 107,992.80 : x - Step 2: Convert to fraction form
344,631.66/516,947.76 = 107,992.80/x - Step 3: Cross multiply
344,631.66x = 516,947.76 × 107,992.80 - Step 4: Simplify right side
344,631.66x = 55,826,636,056.13 - Step 5: Solve for x
x = 55,826,636,056.13/344,631.66 - Step 6: Final answer
x = 161,989.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.