Finding the Fourth Proportional to 463,903.58, 640,176.09 and 272,929.26
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Solution
The fourth proportional to 463,903.58, 640,176.09 and 272,929.26 is: 376,636.00
Step by Step Solution
- Step 1: Write the proportion equation
463,903.58 : 640,176.09 = 272,929.26 : x - Step 2: Convert to fraction form
463,903.58/640,176.09 = 272,929.26/x - Step 3: Cross multiply
463,903.58x = 640,176.09 × 272,929.26 - Step 4: Simplify right side
463,903.58x = 174,722,786,513.39 - Step 5: Solve for x
x = 174,722,786,513.39/463,903.58 - Step 6: Final answer
x = 376,636.00
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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.