Finding the Fourth Proportional to 322,926.65, 484,217.18 and 135,726.65
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Solution
The fourth proportional to 322,926.65, 484,217.18 and 135,726.65 is: 203,517.35
Step by Step Solution
- Step 1: Write the proportion equation
322,926.65 : 484,217.18 = 135,726.65 : x - Step 2: Convert to fraction form
322,926.65/484,217.18 = 135,726.65/x - Step 3: Cross multiply
322,926.65x = 484,217.18 × 135,726.65 - Step 4: Simplify right side
322,926.65x = 65,721,175,035.21 - Step 5: Solve for x
x = 65,721,175,035.21/322,926.65 - Step 6: Final answer
x = 203,517.35
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1.5x scale
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.