Finding the Fourth Proportional to 434,643.84, 652,057.92 and 135,117.12
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Solution
The fourth proportional to 434,643.84, 652,057.92 and 135,117.12 is: 202,704.33
Step by Step Solution
- Step 1: Write the proportion equation
434,643.84 : 652,057.92 = 135,117.12 : x - Step 2: Convert to fraction form
434,643.84/652,057.92 = 135,117.12/x - Step 3: Cross multiply
434,643.84x = 652,057.92 × 135,117.12 - Step 4: Simplify right side
434,643.84x = 88,104,188,223.59 - Step 5: Solve for x
x = 88,104,188,223.59/434,643.84 - Step 6: Final answer
x = 202,704.33
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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.