Finding the Fourth Proportional to 513,140.54, 708,103.40 and 283,684.08
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Solution
The fourth proportional to 513,140.54, 708,103.40 and 283,684.08 is: 391,467.14
Step by Step Solution
- Step 1: Write the proportion equation
513,140.54 : 708,103.40 = 283,684.08 : x - Step 2: Convert to fraction form
513,140.54/708,103.40 = 283,684.08/x - Step 3: Cross multiply
513,140.54x = 708,103.40 × 283,684.08 - Step 4: Simplify right side
513,140.54x = 200,877,661,573.87 - Step 5: Solve for x
x = 200,877,661,573.87/513,140.54 - Step 6: Final answer
x = 391,467.14
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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.