Finding the Fourth Proportional to 513,106.40, 769,743.84 and 158,120.48
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Solution
The fourth proportional to 513,106.40, 769,743.84 and 158,120.48 is: 237,206.68
Step by Step Solution
- Step 1: Write the proportion equation
513,106.40 : 769,743.84 = 158,120.48 : x - Step 2: Convert to fraction form
513,106.40/769,743.84 = 158,120.48/x - Step 3: Cross multiply
513,106.40x = 769,743.84 × 158,120.48 - Step 4: Simplify right side
513,106.40x = 121,712,265,457.84 - Step 5: Solve for x
x = 121,712,265,457.84/513,106.40 - Step 6: Final answer
x = 237,206.68
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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.