Finding the Fourth Proportional to 147,739.55, 205,256.98 and 145,968.08
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Solution
The fourth proportional to 147,739.55, 205,256.98 and 145,968.08 is: 202,795.85
Step by Step Solution
- Step 1: Write the proportion equation
147,739.55 : 205,256.98 = 145,968.08 : x - Step 2: Convert to fraction form
147,739.55/205,256.98 = 145,968.08/x - Step 3: Cross multiply
147,739.55x = 205,256.98 × 145,968.08 - Step 4: Simplify right side
147,739.55x = 29,960,967,037.75 - Step 5: Solve for x
x = 29,960,967,037.75/147,739.55 - Step 6: Final answer
x = 202,795.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.