Finding the Fourth Proportional to 556,813.12, 835,342.70 and 201,817.91
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Solution
The fourth proportional to 556,813.12, 835,342.70 and 201,817.91 is: 302,771.45
Step by Step Solution
- Step 1: Write the proportion equation
556,813.12 : 835,342.70 = 201,817.91 : x - Step 2: Convert to fraction form
556,813.12/835,342.70 = 201,817.91/x - Step 3: Cross multiply
556,813.12x = 835,342.70 × 201,817.91 - Step 4: Simplify right side
556,813.12x = 168,587,116,838.67 - Step 5: Solve for x
x = 168,587,116,838.67/556,813.12 - Step 6: Final answer
x = 302,771.45
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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.