Finding the Fourth Proportional to 472,181.13, 651,590.99 and 257,316.57
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Solution
The fourth proportional to 472,181.13, 651,590.99 and 257,316.57 is: 355,086.53
Step by Step Solution
- Step 1: Write the proportion equation
472,181.13 : 651,590.99 = 257,316.57 : x - Step 2: Convert to fraction form
472,181.13/651,590.99 = 257,316.57/x - Step 3: Cross multiply
472,181.13x = 651,590.99 × 257,316.57 - Step 4: Simplify right side
472,181.13x = 167,665,158,589.70 - Step 5: Solve for x
x = 167,665,158,589.70/472,181.13 - Step 6: Final answer
x = 355,086.53
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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.