Finding the Fourth Proportional to 199,594.42, 299,485.02 and 87,260.08
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Solution
The fourth proportional to 199,594.42, 299,485.02 and 87,260.08 is: 130,930.95
Step by Step Solution
- Step 1: Write the proportion equation
199,594.42 : 299,485.02 = 87,260.08 : x - Step 2: Convert to fraction form
199,594.42/299,485.02 = 87,260.08/x - Step 3: Cross multiply
199,594.42x = 299,485.02 × 87,260.08 - Step 4: Simplify right side
199,594.42x = 26,133,086,804.00 - Step 5: Solve for x
x = 26,133,086,804.00/199,594.42 - Step 6: Final answer
x = 130,930.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.