Finding the Fourth Proportional to 299,489.13, 413,363.93 and 197,532.81
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Solution
The fourth proportional to 299,489.13, 413,363.93 and 197,532.81 is: 272,640.74
Step by Step Solution
- Step 1: Write the proportion equation
299,489.13 : 413,363.93 = 197,532.81 : x - Step 2: Convert to fraction form
299,489.13/413,363.93 = 197,532.81/x - Step 3: Cross multiply
299,489.13x = 413,363.93 × 197,532.81 - Step 4: Simplify right side
299,489.13x = 81,652,937,657.88 - Step 5: Solve for x
x = 81,652,937,657.88/299,489.13 - Step 6: Final answer
x = 272,640.74
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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.