Finding the Fourth Proportional to 430,115.16, 593,573.84 and 236,530.80
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Solution
The fourth proportional to 430,115.16, 593,573.84 and 236,530.80 is: 326,420.71
Step by Step Solution
- Step 1: Write the proportion equation
430,115.16 : 593,573.84 = 236,530.80 : x - Step 2: Convert to fraction form
430,115.16/593,573.84 = 236,530.80/x - Step 3: Cross multiply
430,115.16x = 593,573.84 × 236,530.80 - Step 4: Simplify right side
430,115.16x = 140,398,494,051.62 - Step 5: Solve for x
x = 140,398,494,051.62/430,115.16 - Step 6: Final answer
x = 326,420.71
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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.