Finding the Fourth Proportional to 236,374.56, 326,252.88 and 135,830.88
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Solution
The fourth proportional to 236,374.56, 326,252.88 and 135,830.88 is: 187,478.79
Step by Step Solution
- Step 1: Write the proportion equation
236,374.56 : 326,252.88 = 135,830.88 : x - Step 2: Convert to fraction form
236,374.56/326,252.88 = 135,830.88/x - Step 3: Cross multiply
236,374.56x = 326,252.88 × 135,830.88 - Step 4: Simplify right side
236,374.56x = 44,315,215,792.93 - Step 5: Solve for x
x = 44,315,215,792.93/236,374.56 - Step 6: Final answer
x = 187,478.79
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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.