Finding the Fourth Proportional to 484,744.90, 727,117.35 and 129,813.70
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Solution
The fourth proportional to 484,744.90, 727,117.35 and 129,813.70 is: 194,720.55
Step by Step Solution
- Step 1: Write the proportion equation
484,744.90 : 727,117.35 = 129,813.70 : x - Step 2: Convert to fraction form
484,744.90/727,117.35 = 129,813.70/x - Step 3: Cross multiply
484,744.90x = 727,117.35 × 129,813.70 - Step 4: Simplify right side
484,744.90x = 94,389,793,537.70 - Step 5: Solve for x
x = 94,389,793,537.70/484,744.90 - Step 6: Final answer
x = 194,720.55
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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.