Finding the Fourth Proportional to 554,620.62, 831,930.96 and 180,643.62
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Solution
The fourth proportional to 554,620.62, 831,930.96 and 180,643.62 is: 270,965.44
Step by Step Solution
- Step 1: Write the proportion equation
554,620.62 : 831,930.96 = 180,643.62 : x - Step 2: Convert to fraction form
554,620.62/831,930.96 = 180,643.62/x - Step 3: Cross multiply
554,620.62x = 831,930.96 × 180,643.62 - Step 4: Simplify right side
554,620.62x = 150,283,020,204.48 - Step 5: Solve for x
x = 150,283,020,204.48/554,620.62 - Step 6: Final answer
x = 270,965.44
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1.5x scale
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.