Finding the Fourth Proportional to 421,136.79, 631,635.99 and 151,209.05
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Solution
The fourth proportional to 421,136.79, 631,635.99 and 151,209.05 is: 226,788.73
Step by Step Solution
- Step 1: Write the proportion equation
421,136.79 : 631,635.99 = 151,209.05 : x - Step 2: Convert to fraction form
421,136.79/631,635.99 = 151,209.05/x - Step 3: Cross multiply
421,136.79x = 631,635.99 × 151,209.05 - Step 4: Simplify right side
421,136.79x = 95,509,077,993.71 - Step 5: Solve for x
x = 95,509,077,993.71/421,136.79 - Step 6: Final answer
x = 226,788.73
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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.