Finding the Fourth Proportional to 461,697.84, 637,116.50 and 257,761.68
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Solution
The fourth proportional to 461,697.84, 637,116.50 and 257,761.68 is: 355,696.32
Step by Step Solution
- Step 1: Write the proportion equation
461,697.84 : 637,116.50 = 257,761.68 : x - Step 2: Convert to fraction form
461,697.84/637,116.50 = 257,761.68/x - Step 3: Cross multiply
461,697.84x = 637,116.50 × 257,761.68 - Step 4: Simplify right side
461,697.84x = 164,224,219,251.34 - Step 5: Solve for x
x = 164,224,219,251.34/461,697.84 - Step 6: Final answer
x = 355,696.32
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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.