Finding the Fourth Proportional to 360,521.26, 540,781.21 and 135,932.08
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Solution
The fourth proportional to 360,521.26, 540,781.21 and 135,932.08 is: 203,897.86
Step by Step Solution
- Step 1: Write the proportion equation
360,521.26 : 540,781.21 = 135,932.08 : x - Step 2: Convert to fraction form
360,521.26/540,781.21 = 135,932.08/x - Step 3: Cross multiply
360,521.26x = 540,781.21 × 135,932.08 - Step 4: Simplify right side
360,521.26x = 73,509,513,518.18 - Step 5: Solve for x
x = 73,509,513,518.18/360,521.26 - Step 6: Final answer
x = 203,897.86
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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.