Finding the Fourth Proportional to 317,854.99, 476,730.08 and 104,625.68
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Solution
The fourth proportional to 317,854.99, 476,730.08 and 104,625.68 is: 156,921.27
Step by Step Solution
- Step 1: Write the proportion equation
317,854.99 : 476,730.08 = 104,625.68 : x - Step 2: Convert to fraction form
317,854.99/476,730.08 = 104,625.68/x - Step 3: Cross multiply
317,854.99x = 476,730.08 × 104,625.68 - Step 4: Simplify right side
317,854.99x = 49,878,208,796.45 - Step 5: Solve for x
x = 49,878,208,796.45/317,854.99 - Step 6: Final answer
x = 156,921.27
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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.