Finding the Fourth Proportional to 563,645.80, 845,468.70 and 189,629.80
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Solution
The fourth proportional to 563,645.80, 845,468.70 and 189,629.80 is: 284,444.70
Step by Step Solution
- Step 1: Write the proportion equation
563,645.80 : 845,468.70 = 189,629.80 : x - Step 2: Convert to fraction form
563,645.80/845,468.70 = 189,629.80/x - Step 3: Cross multiply
563,645.80x = 845,468.70 × 189,629.80 - Step 4: Simplify right side
563,645.80x = 160,326,060,487.26 - Step 5: Solve for x
x = 160,326,060,487.26/563,645.80 - Step 6: Final answer
x = 284,444.70
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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.