Finding the Fourth Proportional to 532,931.43, 735,447.30 and 291,213.99
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Solution
The fourth proportional to 532,931.43, 735,447.30 and 291,213.99 is: 401,876.36
Step by Step Solution
- Step 1: Write the proportion equation
532,931.43 : 735,447.30 = 291,213.99 : x - Step 2: Convert to fraction form
532,931.43/735,447.30 = 291,213.99/x - Step 3: Cross multiply
532,931.43x = 735,447.30 × 291,213.99 - Step 4: Simplify right side
532,931.43x = 214,172,542,667.73 - Step 5: Solve for x
x = 214,172,542,667.73/532,931.43 - Step 6: Final answer
x = 401,876.36
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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.