Finding the Fourth Proportional to 435,646.38, 653,215.84 and 169,095.49
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Solution
The fourth proportional to 435,646.38, 653,215.84 and 169,095.49 is: 253,544.75
Step by Step Solution
- Step 1: Write the proportion equation
435,646.38 : 653,215.84 = 169,095.49 : x - Step 2: Convert to fraction form
435,646.38/653,215.84 = 169,095.49/x - Step 3: Cross multiply
435,646.38x = 653,215.84 × 169,095.49 - Step 4: Simplify right side
435,646.38x = 110,455,852,540.56 - Step 5: Solve for x
x = 110,455,852,540.56/435,646.38 - Step 6: Final answer
x = 253,544.75
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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.