Finding the Fourth Proportional to 649,539.62, 896,346.14 and 359,146.19
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Solution
The fourth proportional to 649,539.62, 896,346.14 and 359,146.19 is: 495,611.49
Step by Step Solution
- Step 1: Write the proportion equation
649,539.62 : 896,346.14 = 359,146.19 : x - Step 2: Convert to fraction form
649,539.62/896,346.14 = 359,146.19/x - Step 3: Cross multiply
649,539.62x = 896,346.14 × 359,146.19 - Step 4: Simplify right side
649,539.62x = 321,919,301,102.21 - Step 5: Solve for x
x = 321,919,301,102.21/649,539.62 - Step 6: Final answer
x = 495,611.49
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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.