Finding the Fourth Proportional to 499,217.13, 688,919.99 and 272,862.63
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Solution
The fourth proportional to 499,217.13, 688,919.99 and 272,862.63 is: 376,550.62
Step by Step Solution
- Step 1: Write the proportion equation
499,217.13 : 688,919.99 = 272,862.63 : x - Step 2: Convert to fraction form
499,217.13/688,919.99 = 272,862.63/x - Step 3: Cross multiply
499,217.13x = 688,919.99 × 272,862.63 - Step 4: Simplify right side
499,217.13x = 187,980,518,966.66 - Step 5: Solve for x
x = 187,980,518,966.66/499,217.13 - Step 6: Final answer
x = 376,550.62
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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.