Finding the Fourth Proportional to 439,924.75, 607,089.68 and 258,657.07
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Solution
The fourth proportional to 439,924.75, 607,089.68 and 258,657.07 is: 356,942.95
Step by Step Solution
- Step 1: Write the proportion equation
439,924.75 : 607,089.68 = 258,657.07 : x - Step 2: Convert to fraction form
439,924.75/607,089.68 = 258,657.07/x - Step 3: Cross multiply
439,924.75x = 607,089.68 × 258,657.07 - Step 4: Simplify right side
439,924.75x = 157,028,036,562.75 - Step 5: Solve for x
x = 157,028,036,562.75/439,924.75 - Step 6: Final answer
x = 356,942.95
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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.