Finding the Fourth Proportional to 532,929.80, 735,421.17 and 291,220.70
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Solution
The fourth proportional to 532,929.80, 735,421.17 and 291,220.70 is: 401,872.57
Step by Step Solution
- Step 1: Write the proportion equation
532,929.80 : 735,421.17 = 291,220.70 : x - Step 2: Convert to fraction form
532,929.80/735,421.17 = 291,220.70/x - Step 3: Cross multiply
532,929.80x = 735,421.17 × 291,220.70 - Step 4: Simplify right side
532,929.80x = 214,169,867,922.22 - Step 5: Solve for x
x = 214,169,867,922.22/532,929.80 - Step 6: Final answer
x = 401,872.57
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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.