Finding the Fourth Proportional to 463,904.08, 640,176.78 and 272,929.76
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Solution
The fourth proportional to 463,904.08, 640,176.78 and 272,929.76 is: 376,636.69
Step by Step Solution
- Step 1: Write the proportion equation
463,904.08 : 640,176.78 = 272,929.76 : x - Step 2: Convert to fraction form
463,904.08/640,176.78 = 272,929.76/x - Step 3: Cross multiply
463,904.08x = 640,176.78 × 272,929.76 - Step 4: Simplify right side
463,904.08x = 174,723,294,922.97 - Step 5: Solve for x
x = 174,723,294,922.97/463,904.08 - Step 6: Final answer
x = 376,636.69
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1.5x scale
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.