Finding the Fourth Proportional to 614,379.12, 921,430.44 and 220,395.12
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Solution
The fourth proportional to 614,379.12, 921,430.44 and 220,395.12 is: 330,543.09
Step by Step Solution
- Step 1: Write the proportion equation
614,379.12 : 921,430.44 = 220,395.12 : x - Step 2: Convert to fraction form
614,379.12/921,430.44 = 220,395.12/x - Step 3: Cross multiply
614,379.12x = 921,430.44 × 220,395.12 - Step 4: Simplify right side
614,379.12x = 203,078,772,395.45 - Step 5: Solve for x
x = 203,078,772,395.45/614,379.12 - Step 6: Final answer
x = 330,543.09
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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.