Finding the Fourth Proportional to 152,394.40, 210,304.08 and 85,326.88
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Solution
The fourth proportional to 152,394.40, 210,304.08 and 85,326.88 is: 117,750.99
Step by Step Solution
- Step 1: Write the proportion equation
152,394.40 : 210,304.08 = 85,326.88 : x - Step 2: Convert to fraction form
152,394.40/210,304.08 = 85,326.88/x - Step 3: Cross multiply
152,394.40x = 210,304.08 × 85,326.88 - Step 4: Simplify right side
152,394.40x = 17,944,590,997.67 - Step 5: Solve for x
x = 17,944,590,997.67/152,394.40 - Step 6: Final answer
x = 117,750.99
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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.