Finding the Fourth Proportional to 649,261.40, 973,431.30 and 249,747.80
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Solution
The fourth proportional to 649,261.40, 973,431.30 and 249,747.80 is: 374,444.45
Step by Step Solution
- Step 1: Write the proportion equation
649,261.40 : 973,431.30 = 249,747.80 : x - Step 2: Convert to fraction form
649,261.40/973,431.30 = 249,747.80/x - Step 3: Cross multiply
649,261.40x = 973,431.30 × 249,747.80 - Step 4: Simplify right side
649,261.40x = 243,112,325,626.14 - Step 5: Solve for x
x = 243,112,325,626.14/649,261.40 - Step 6: Final answer
x = 374,444.45
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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.