Finding the Fourth Proportional to 258,803.93, 357,148.68 and 145,626.68
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Solution
The fourth proportional to 258,803.93, 357,148.68 and 145,626.68 is: 200,964.40
Step by Step Solution
- Step 1: Write the proportion equation
258,803.93 : 357,148.68 = 145,626.68 : x - Step 2: Convert to fraction form
258,803.93/357,148.68 = 145,626.68/x - Step 3: Cross multiply
258,803.93x = 357,148.68 × 145,626.68 - Step 4: Simplify right side
258,803.93x = 52,010,374,749.04 - Step 5: Solve for x
x = 52,010,374,749.04/258,803.93 - Step 6: Final answer
x = 200,964.40
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1.5x scale
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.