Finding the Fourth Proportional to 463,909.08, 640,183.68 and 272,934.76
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Solution
The fourth proportional to 463,909.08, 640,183.68 and 272,934.76 is: 376,643.59
Step by Step Solution
- Step 1: Write the proportion equation
463,909.08 : 640,183.68 = 272,934.76 : x - Step 2: Convert to fraction form
463,909.08/640,183.68 = 272,934.76/x - Step 3: Cross multiply
463,909.08x = 640,183.68 × 272,934.76 - Step 4: Simplify right side
463,909.08x = 174,728,379,056.72 - Step 5: Solve for x
x = 174,728,379,056.72/463,909.08 - Step 6: Final answer
x = 376,643.59
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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.