Finding the Fourth Proportional to 344,398.44, 516,636.36 and 91,688.79
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Solution
The fourth proportional to 344,398.44, 516,636.36 and 91,688.79 is: 137,543.49
Step by Step Solution
- Step 1: Write the proportion equation
344,398.44 : 516,636.36 = 91,688.79 : x - Step 2: Convert to fraction form
344,398.44/516,636.36 = 91,688.79/x - Step 3: Cross multiply
344,398.44x = 516,636.36 × 91,688.79 - Step 4: Simplify right side
344,398.44x = 47,369,762,718.40 - Step 5: Solve for x
x = 47,369,762,718.40/344,398.44 - Step 6: Final answer
x = 137,543.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.