Finding the Fourth Proportional to 532,819.52, 735,341.80 and 291,138.84
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Solution
The fourth proportional to 532,819.52, 735,341.80 and 291,138.84 is: 401,799.39
Step by Step Solution
- Step 1: Write the proportion equation
532,819.52 : 735,341.80 = 291,138.84 : x - Step 2: Convert to fraction form
532,819.52/735,341.80 = 291,138.84/x - Step 3: Cross multiply
532,819.52x = 735,341.80 × 291,138.84 - Step 4: Simplify right side
532,819.52x = 214,086,558,655.51 - Step 5: Solve for x
x = 214,086,558,655.51/532,819.52 - Step 6: Final answer
x = 401,799.39
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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.