Finding the Fourth Proportional to 502,122.64, 692,934.70 and 275,768.14
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Solution
The fourth proportional to 502,122.64, 692,934.70 and 275,768.14 is: 380,563.03
Step by Step Solution
- Step 1: Write the proportion equation
502,122.64 : 692,934.70 = 275,768.14 : x - Step 2: Convert to fraction form
502,122.64/692,934.70 = 275,768.14/x - Step 3: Cross multiply
502,122.64x = 692,934.70 × 275,768.14 - Step 4: Simplify right side
502,122.64x = 191,089,313,360.46 - Step 5: Solve for x
x = 191,089,313,360.46/502,122.64 - Step 6: Final answer
x = 380,563.03
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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.