Finding the Fourth Proportional to 506,676.06, 699,225.93 and 305,485.02
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Solution
The fourth proportional to 506,676.06, 699,225.93 and 305,485.02 is: 421,577.15
Step by Step Solution
- Step 1: Write the proportion equation
506,676.06 : 699,225.93 = 305,485.02 : x - Step 2: Convert to fraction form
506,676.06/699,225.93 = 305,485.02/x - Step 3: Cross multiply
506,676.06x = 699,225.93 × 305,485.02 - Step 4: Simplify right side
506,676.06x = 213,603,047,210.57 - Step 5: Solve for x
x = 213,603,047,210.57/506,676.06 - Step 6: Final answer
x = 421,577.15
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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.