Finding the Fourth Proportional to 690,339.84, 1,035,556.64 and 234,745.48
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Solution
The fourth proportional to 690,339.84, 1,035,556.64 and 234,745.48 is: 352,134.16
Step by Step Solution
- Step 1: Write the proportion equation
690,339.84 : 1,035,556.64 = 234,745.48 : x - Step 2: Convert to fraction form
690,339.84/1,035,556.64 = 234,745.48/x - Step 3: Cross multiply
690,339.84x = 1,035,556.64 × 234,745.48 - Step 4: Simplify right side
690,339.84x = 243,092,240,523.99 - Step 5: Solve for x
x = 243,092,240,523.99/690,339.84 - Step 6: Final answer
x = 352,134.16
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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.