Finding the Fourth Proportional to 355,323.24, 532,625.31 and 153,051.21
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Solution
The fourth proportional to 355,323.24, 532,625.31 and 153,051.21 is: 229,421.94
Step by Step Solution
- Step 1: Write the proportion equation
355,323.24 : 532,625.31 = 153,051.21 : x - Step 2: Convert to fraction form
355,323.24/532,625.31 = 153,051.21/x - Step 3: Cross multiply
355,323.24x = 532,625.31 × 153,051.21 - Step 4: Simplify right side
355,323.24x = 81,518,948,172.13 - Step 5: Solve for x
x = 81,518,948,172.13/355,323.24 - Step 6: Final answer
x = 229,421.94
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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.