Finding the Fourth Proportional to 513,132.50, 708,235.26 and 298,396.44
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Solution
The fourth proportional to 513,132.50, 708,235.26 and 298,396.44 is: 411,852.45
Step by Step Solution
- Step 1: Write the proportion equation
513,132.50 : 708,235.26 = 298,396.44 : x - Step 2: Convert to fraction form
513,132.50/708,235.26 = 298,396.44/x - Step 3: Cross multiply
513,132.50x = 708,235.26 × 298,396.44 - Step 4: Simplify right side
513,132.50x = 211,334,880,825.97 - Step 5: Solve for x
x = 211,334,880,825.97/513,132.50 - Step 6: Final answer
x = 411,852.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.