Finding the Fourth Proportional to 690,887.18, 1,036,461.98 and 241,735.70
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Solution
The fourth proportional to 690,887.18, 1,036,461.98 and 241,735.70 is: 362,649.46
Step by Step Solution
- Step 1: Write the proportion equation
690,887.18 : 1,036,461.98 = 241,735.70 : x - Step 2: Convert to fraction form
690,887.18/1,036,461.98 = 241,735.70/x - Step 3: Cross multiply
690,887.18x = 1,036,461.98 × 241,735.70 - Step 4: Simplify right side
690,887.18x = 250,549,862,258.69 - Step 5: Solve for x
x = 250,549,862,258.69/690,887.18 - Step 6: Final answer
x = 362,649.46
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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.