Finding the Fourth Proportional to 346,523.70, 519,785.55 and 320,603.70
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Solution
The fourth proportional to 346,523.70, 519,785.55 and 320,603.70 is: 480,905.55
Step by Step Solution
- Step 1: Write the proportion equation
346,523.70 : 519,785.55 = 320,603.70 : x - Step 2: Convert to fraction form
346,523.70/519,785.55 = 320,603.70/x - Step 3: Cross multiply
346,523.70x = 519,785.55 × 320,603.70 - Step 4: Simplify right side
346,523.70x = 166,645,170,536.54 - Step 5: Solve for x
x = 166,645,170,536.54/346,523.70 - Step 6: Final answer
x = 480,905.55
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1.5x scale
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.