Finding the Fourth Proportional to 891,371.16, 1,336,925.21 and 260,115.48
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Solution
The fourth proportional to 891,371.16, 1,336,925.21 and 260,115.48 is: 390,134.84
Step by Step Solution
- Step 1: Write the proportion equation
891,371.16 : 1,336,925.21 = 260,115.48 : x - Step 2: Convert to fraction form
891,371.16/1,336,925.21 = 260,115.48/x - Step 3: Cross multiply
891,371.16x = 1,336,925.21 × 260,115.48 - Step 4: Simplify right side
891,371.16x = 347,754,942,723.25 - Step 5: Solve for x
x = 347,754,942,723.25/891,371.16 - Step 6: Final answer
x = 390,134.84
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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.