Finding the Fourth Proportional to 408,293.10, 612,564.08 and 208,753.58
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Solution
The fourth proportional to 408,293.10, 612,564.08 and 208,753.58 is: 313,193.99
Step by Step Solution
- Step 1: Write the proportion equation
408,293.10 : 612,564.08 = 208,753.58 : x - Step 2: Convert to fraction form
408,293.10/612,564.08 = 208,753.58/x - Step 3: Cross multiply
408,293.10x = 612,564.08 × 208,753.58 - Step 4: Simplify right side
408,293.10x = 127,874,944,679.41 - Step 5: Solve for x
x = 127,874,944,679.41/408,293.10 - Step 6: Final answer
x = 313,193.99
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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.