Finding the Fourth Proportional to 532,912.30, 735,397.05 and 291,203.26
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Solution
The fourth proportional to 532,912.30, 735,397.05 and 291,203.26 is: 401,848.52
Step by Step Solution
- Step 1: Write the proportion equation
532,912.30 : 735,397.05 = 291,203.26 : x - Step 2: Convert to fraction form
532,912.30/735,397.05 = 291,203.26/x - Step 3: Cross multiply
532,912.30x = 735,397.05 × 291,203.26 - Step 4: Simplify right side
532,912.30x = 214,150,018,354.38 - Step 5: Solve for x
x = 214,150,018,354.38/532,912.30 - Step 6: Final answer
x = 401,848.52
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1.5x scale
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.