Finding the Fourth Proportional to 395,143.24, 592,648.51 and 142,376.62
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Solution
The fourth proportional to 395,143.24, 592,648.51 and 142,376.62 is: 213,541.02
Step by Step Solution
- Step 1: Write the proportion equation
395,143.24 : 592,648.51 = 142,376.62 : x - Step 2: Convert to fraction form
395,143.24/592,648.51 = 142,376.62/x - Step 3: Cross multiply
395,143.24x = 592,648.51 × 142,376.62 - Step 4: Simplify right side
395,143.24x = 84,379,291,701.84 - Step 5: Solve for x
x = 84,379,291,701.84/395,143.24 - Step 6: Final answer
x = 213,541.02
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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.