Finding the Fourth Proportional to 499,149.94, 688,827.13 and 272,795.44
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Solution
The fourth proportional to 499,149.94, 688,827.13 and 272,795.44 is: 376,457.82
Step by Step Solution
- Step 1: Write the proportion equation
499,149.94 : 688,827.13 = 272,795.44 : x - Step 2: Convert to fraction form
499,149.94/688,827.13 = 272,795.44/x - Step 3: Cross multiply
499,149.94x = 688,827.13 × 272,795.44 - Step 4: Simplify right side
499,149.94x = 187,908,900,012.29 - Step 5: Solve for x
x = 187,908,900,012.29/499,149.94 - Step 6: Final answer
x = 376,457.82
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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.