Finding the Fourth Proportional to 357,345.12, 539,259.96 and 345,447.84
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Solution
The fourth proportional to 357,345.12, 539,259.96 and 345,447.84 is: 521,306.09
Step by Step Solution
- Step 1: Write the proportion equation
357,345.12 : 539,259.96 = 345,447.84 : x - Step 2: Convert to fraction form
357,345.12/539,259.96 = 345,447.84/x - Step 3: Cross multiply
357,345.12x = 539,259.96 × 345,447.84 - Step 4: Simplify right side
357,345.12x = 186,286,188,380.49 - Step 5: Solve for x
x = 186,286,188,380.49/357,345.12 - Step 6: Final answer
x = 521,306.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.