Finding the Fourth Proportional to 465,585.48, 642,460.02 and 261,603.96
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Solution
The fourth proportional to 465,585.48, 642,460.02 and 261,603.96 is: 360,986.53
Step by Step Solution
- Step 1: Write the proportion equation
465,585.48 : 642,460.02 = 261,603.96 : x - Step 2: Convert to fraction form
465,585.48/642,460.02 = 261,603.96/x - Step 3: Cross multiply
465,585.48x = 642,460.02 × 261,603.96 - Step 4: Simplify right side
465,585.48x = 168,070,085,373.68 - Step 5: Solve for x
x = 168,070,085,373.68/465,585.48 - Step 6: Final answer
x = 360,986.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.