Finding the Fourth Proportional to 258,521.88, 385,887.99 and 239,524.68
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Solution
The fourth proportional to 258,521.88, 385,887.99 and 239,524.68 is: 357,531.43
Step by Step Solution
- Step 1: Write the proportion equation
258,521.88 : 385,887.99 = 239,524.68 : x - Step 2: Convert to fraction form
258,521.88/385,887.99 = 239,524.68/x - Step 3: Cross multiply
258,521.88x = 385,887.99 × 239,524.68 - Step 4: Simplify right side
258,521.88x = 92,429,697,320.59 - Step 5: Solve for x
x = 92,429,697,320.59/258,521.88 - Step 6: Final answer
x = 357,531.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.