Finding the Fourth Proportional to 430,319.80, 593,841.36 and 236,730.24
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Solution
The fourth proportional to 430,319.80, 593,841.36 and 236,730.24 is: 326,687.75
Step by Step Solution
- Step 1: Write the proportion equation
430,319.80 : 593,841.36 = 236,730.24 : x - Step 2: Convert to fraction form
430,319.80/593,841.36 = 236,730.24/x - Step 3: Cross multiply
430,319.80x = 593,841.36 × 236,730.24 - Step 4: Simplify right side
430,319.80x = 140,580,207,674.73 - Step 5: Solve for x
x = 140,580,207,674.73/430,319.80 - Step 6: Final answer
x = 326,687.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.