Finding the Fourth Proportional to 486,984.10, 672,025.16 and 272,125.94
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Solution
The fourth proportional to 486,984.10, 672,025.16 and 272,125.94 is: 375,526.59
Step by Step Solution
- Step 1: Write the proportion equation
486,984.10 : 672,025.16 = 272,125.94 : x - Step 2: Convert to fraction form
486,984.10/672,025.16 = 272,125.94/x - Step 3: Cross multiply
486,984.10x = 672,025.16 × 272,125.94 - Step 4: Simplify right side
486,984.10x = 182,875,478,368.65 - Step 5: Solve for x
x = 182,875,478,368.65/486,984.10 - Step 6: Final answer
x = 375,526.59
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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.