Finding the Fourth Proportional to 513,195.84, 769,865.04 and 158,237.76
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Solution
The fourth proportional to 513,195.84, 769,865.04 and 158,237.76 is: 237,378.62
Step by Step Solution
- Step 1: Write the proportion equation
513,195.84 : 769,865.04 = 158,237.76 : x - Step 2: Convert to fraction form
513,195.84/769,865.04 = 158,237.76/x - Step 3: Cross multiply
513,195.84x = 769,865.04 × 158,237.76 - Step 4: Simplify right side
513,195.84x = 121,821,719,431.91 - Step 5: Solve for x
x = 121,821,719,431.91/513,195.84 - Step 6: Final answer
x = 237,378.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.