Finding the Fourth Proportional to 496,739.75, 745,116.62 and 141,753.80
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Solution
The fourth proportional to 496,739.75, 745,116.62 and 141,753.80 is: 212,632.70
Step by Step Solution
- Step 1: Write the proportion equation
496,739.75 : 745,116.62 = 141,753.80 : x - Step 2: Convert to fraction form
496,739.75/745,116.62 = 141,753.80/x - Step 3: Cross multiply
496,739.75x = 745,116.62 × 141,753.80 - Step 4: Simplify right side
496,739.75x = 105,623,113,482.18 - Step 5: Solve for x
x = 105,623,113,482.18/496,739.75 - Step 6: Final answer
x = 212,632.70
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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.