Finding the Fourth Proportional to 831,027.36, 1,246,541.04 and 199,941.18
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Solution
The fourth proportional to 831,027.36, 1,246,541.04 and 199,941.18 is: 299,911.77
Step by Step Solution
- Step 1: Write the proportion equation
831,027.36 : 1,246,541.04 = 199,941.18 : x - Step 2: Convert to fraction form
831,027.36/1,246,541.04 = 199,941.18/x - Step 3: Cross multiply
831,027.36x = 1,246,541.04 × 199,941.18 - Step 4: Simplify right side
831,027.36x = 249,234,886,456.03 - Step 5: Solve for x
x = 249,234,886,456.03/831,027.36 - Step 6: Final answer
x = 299,911.77
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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.