Finding the Fourth Proportional to 424,960.12, 637,206.76 and 291,873.88
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Solution
The fourth proportional to 424,960.12, 637,206.76 and 291,873.88 is: 437,650.50
Step by Step Solution
- Step 1: Write the proportion equation
424,960.12 : 637,206.76 = 291,873.88 : x - Step 2: Convert to fraction form
424,960.12/637,206.76 = 291,873.88/x - Step 3: Cross multiply
424,960.12x = 637,206.76 × 291,873.88 - Step 4: Simplify right side
424,960.12x = 185,984,009,403.43 - Step 5: Solve for x
x = 185,984,009,403.43/424,960.12 - Step 6: Final answer
x = 437,650.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.