Finding the Fourth Proportional to 430,162.74, 593,631.44 and 236,578.91
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Solution
The fourth proportional to 430,162.74, 593,631.44 and 236,578.91 is: 326,482.66
Step by Step Solution
- Step 1: Write the proportion equation
430,162.74 : 593,631.44 = 236,578.91 : x - Step 2: Convert to fraction form
430,162.74/593,631.44 = 236,578.91/x - Step 3: Cross multiply
430,162.74x = 593,631.44 × 236,578.91 - Step 4: Simplify right side
430,162.74x = 140,440,674,865.88 - Step 5: Solve for x
x = 140,440,674,865.88/430,162.74 - Step 6: Final answer
x = 326,482.66
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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.