Finding the Fourth Proportional to 513,136.16, 769,730.16 and 158,392.88
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Solution
The fourth proportional to 513,136.16, 769,730.16 and 158,392.88 is: 237,597.32
Step by Step Solution
- Step 1: Write the proportion equation
513,136.16 : 769,730.16 = 158,392.88 : x - Step 2: Convert to fraction form
513,136.16/769,730.16 = 158,392.88/x - Step 3: Cross multiply
513,136.16x = 769,730.16 × 158,392.88 - Step 4: Simplify right side
513,136.16x = 121,919,776,865.26 - Step 5: Solve for x
x = 121,919,776,865.26/513,136.16 - Step 6: Final answer
x = 237,597.32
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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.