Finding the Fourth Proportional to 381,350.70, 572,026.05 and 322,301.70
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Solution
The fourth proportional to 381,350.70, 572,026.05 and 322,301.70 is: 483,452.55
Step by Step Solution
- Step 1: Write the proportion equation
381,350.70 : 572,026.05 = 322,301.70 : x - Step 2: Convert to fraction form
381,350.70/572,026.05 = 322,301.70/x - Step 3: Cross multiply
381,350.70x = 572,026.05 × 322,301.70 - Step 4: Simplify right side
381,350.70x = 184,364,968,359.29 - Step 5: Solve for x
x = 184,364,968,359.29/381,350.70 - Step 6: Final answer
x = 483,452.55
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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.