Finding the Fourth Proportional to 307,378.64, 460,843.86 and 207,290.18
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Solution
The fourth proportional to 307,378.64, 460,843.86 and 207,290.18 is: 310,784.14
Step by Step Solution
- Step 1: Write the proportion equation
307,378.64 : 460,843.86 = 207,290.18 : x - Step 2: Convert to fraction form
307,378.64/460,843.86 = 207,290.18/x - Step 3: Cross multiply
307,378.64x = 460,843.86 × 207,290.18 - Step 4: Simplify right side
307,378.64x = 95,528,406,691.29 - Step 5: Solve for x
x = 95,528,406,691.29/307,378.64 - Step 6: Final answer
x = 310,784.14
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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.