Finding the Fourth Proportional to 435,135.68, 652,709.28 and 168,911.36
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Solution
The fourth proportional to 435,135.68, 652,709.28 and 168,911.36 is: 253,369.28
Step by Step Solution
- Step 1: Write the proportion equation
435,135.68 : 652,709.28 = 168,911.36 : x - Step 2: Convert to fraction form
435,135.68/652,709.28 = 168,911.36/x - Step 3: Cross multiply
435,135.68x = 652,709.28 × 168,911.36 - Step 4: Simplify right side
435,135.68x = 110,250,012,169.42 - Step 5: Solve for x
x = 110,250,012,169.42/435,135.68 - Step 6: Final answer
x = 253,369.28
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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.