Finding the Fourth Proportional to 487,277.48, 672,457.74 and 272,426.60
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Solution
The fourth proportional to 487,277.48, 672,457.74 and 272,426.60 is: 375,956.99
Step by Step Solution
- Step 1: Write the proportion equation
487,277.48 : 672,457.74 = 272,426.60 : x - Step 2: Convert to fraction form
487,277.48/672,457.74 = 272,426.60/x - Step 3: Cross multiply
487,277.48x = 672,457.74 × 272,426.60 - Step 4: Simplify right side
487,277.48x = 183,195,375,751.88 - Step 5: Solve for x
x = 183,195,375,751.88/487,277.48 - Step 6: Final answer
x = 375,956.99
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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.