Finding the Fourth Proportional to 614,149.50, 847,514.94 and 334,749.09
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Solution
The fourth proportional to 614,149.50, 847,514.94 and 334,749.09 is: 461,947.55
Step by Step Solution
- Step 1: Write the proportion equation
614,149.50 : 847,514.94 = 334,749.09 : x - Step 2: Convert to fraction form
614,149.50/847,514.94 = 334,749.09/x - Step 3: Cross multiply
614,149.50x = 847,514.94 × 334,749.09 - Step 4: Simplify right side
614,149.50x = 283,704,854,926.41 - Step 5: Solve for x
x = 283,704,854,926.41/614,149.50 - Step 6: Final answer
x = 461,947.55
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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.