Finding the Fourth Proportional to 346,652.97, 478,384.26 and 203,415.39
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Solution
The fourth proportional to 346,652.97, 478,384.26 and 203,415.39 is: 280,715.09
Step by Step Solution
- Step 1: Write the proportion equation
346,652.97 : 478,384.26 = 203,415.39 : x - Step 2: Convert to fraction form
346,652.97/478,384.26 = 203,415.39/x - Step 3: Cross multiply
346,652.97x = 478,384.26 × 203,415.39 - Step 4: Simplify right side
346,652.97x = 97,310,720,817.76 - Step 5: Solve for x
x = 97,310,720,817.76/346,652.97 - Step 6: Final answer
x = 280,715.09
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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.