Finding the Fourth Proportional to 487,948.74, 731,361.42 and 188,296.80
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Solution
The fourth proportional to 487,948.74, 731,361.42 and 188,296.80 is: 282,228.45
Step by Step Solution
- Step 1: Write the proportion equation
487,948.74 : 731,361.42 = 188,296.80 : x - Step 2: Convert to fraction form
487,948.74/731,361.42 = 188,296.80/x - Step 3: Cross multiply
487,948.74x = 731,361.42 × 188,296.80 - Step 4: Simplify right side
487,948.74x = 137,713,015,029.46 - Step 5: Solve for x
x = 137,713,015,029.46/487,948.74 - Step 6: Final answer
x = 282,228.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.