Finding the Fourth Proportional to 102,425.64, 153,632.99 and 39,276.02
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Solution
The fourth proportional to 102,425.64, 153,632.99 and 39,276.02 is: 58,911.93
Step by Step Solution
- Step 1: Write the proportion equation
102,425.64 : 153,632.99 = 39,276.02 : x - Step 2: Convert to fraction form
102,425.64/153,632.99 = 39,276.02/x - Step 3: Cross multiply
102,425.64x = 153,632.99 × 39,276.02 - Step 4: Simplify right side
102,425.64x = 6,034,092,387.90 - Step 5: Solve for x
x = 6,034,092,387.90/102,425.64 - Step 6: Final answer
x = 58,911.93
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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.