Finding the Fourth Proportional to 205,360.08, 307,394.76 and 130,564.68
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Solution
The fourth proportional to 205,360.08, 307,394.76 and 130,564.68 is: 195,436.71
Step by Step Solution
- Step 1: Write the proportion equation
205,360.08 : 307,394.76 = 130,564.68 : x - Step 2: Convert to fraction form
205,360.08/307,394.76 = 130,564.68/x - Step 3: Cross multiply
205,360.08x = 307,394.76 × 130,564.68 - Step 4: Simplify right side
205,360.08x = 40,134,898,473.08 - Step 5: Solve for x
x = 40,134,898,473.08/205,360.08 - Step 6: Final answer
x = 195,436.71
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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.