Finding the Fourth Proportional to 508,028.58, 761,945.70 and 255,239.02
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Solution
The fourth proportional to 508,028.58, 761,945.70 and 255,239.02 is: 382,809.71
Step by Step Solution
- Step 1: Write the proportion equation
508,028.58 : 761,945.70 = 255,239.02 : x - Step 2: Convert to fraction form
508,028.58/761,945.70 = 255,239.02/x - Step 3: Cross multiply
508,028.58x = 761,945.70 × 255,239.02 - Step 4: Simplify right side
508,028.58x = 194,478,273,761.21 - Step 5: Solve for x
x = 194,478,273,761.21/508,028.58 - Step 6: Final answer
x = 382,809.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.