Finding the Fourth Proportional to 395,173.08, 592,461.54 and 128,774.52
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Solution
The fourth proportional to 395,173.08, 592,461.54 and 128,774.52 is: 193,064.65
Step by Step Solution
- Step 1: Write the proportion equation
395,173.08 : 592,461.54 = 128,774.52 : x - Step 2: Convert to fraction form
395,173.08/592,461.54 = 128,774.52/x - Step 3: Cross multiply
395,173.08x = 592,461.54 × 128,774.52 - Step 4: Simplify right side
395,173.08x = 76,293,950,431.96 - Step 5: Solve for x
x = 76,293,950,431.96/395,173.08 - Step 6: Final answer
x = 193,064.65
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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.