Finding the Fourth Proportional to 155,238.88, 232,948.68 and 65,275.09
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Solution
The fourth proportional to 155,238.88, 232,948.68 and 65,275.09 is: 97,950.63
Step by Step Solution
- Step 1: Write the proportion equation
155,238.88 : 232,948.68 = 65,275.09 : x - Step 2: Convert to fraction form
155,238.88/232,948.68 = 65,275.09/x - Step 3: Cross multiply
155,238.88x = 232,948.68 × 65,275.09 - Step 4: Simplify right side
155,238.88x = 15,205,746,052.38 - Step 5: Solve for x
x = 15,205,746,052.38/155,238.88 - Step 6: Final answer
x = 97,950.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.