Finding the Fourth Proportional to 205,433.70, 307,567.35 and 205,433.70
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Solution
The fourth proportional to 205,433.70, 307,567.35 and 205,433.70 is: 307,567.35
Step by Step Solution
- Step 1: Write the proportion equation
205,433.70 : 307,567.35 = 205,433.70 : x - Step 2: Convert to fraction form
205,433.70/307,567.35 = 205,433.70/x - Step 3: Cross multiply
205,433.70x = 307,567.35 × 205,433.70 - Step 4: Simplify right side
205,433.70x = 63,184,698,709.70 - Step 5: Solve for x
x = 63,184,698,709.70/205,433.70 - Step 6: Final answer
x = 307,567.35
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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.