Finding the Fourth Proportional to 259,136.68, 357,619.68 and 144,415.48
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Solution
The fourth proportional to 259,136.68, 357,619.68 and 144,415.48 is: 199,299.53
Step by Step Solution
- Step 1: Write the proportion equation
259,136.68 : 357,619.68 = 144,415.48 : x - Step 2: Convert to fraction form
259,136.68/357,619.68 = 144,415.48/x - Step 3: Cross multiply
259,136.68x = 357,619.68 × 144,415.48 - Step 4: Simplify right side
259,136.68x = 51,645,817,744.65 - Step 5: Solve for x
x = 51,645,817,744.65/259,136.68 - Step 6: Final answer
x = 199,299.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.