Finding the Fourth Proportional to 358,129.12, 537,135.29 and 105,350.49
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Solution
The fourth proportional to 358,129.12, 537,135.29 and 105,350.49 is: 158,008.56
Step by Step Solution
- Step 1: Write the proportion equation
358,129.12 : 537,135.29 = 105,350.49 : x - Step 2: Convert to fraction form
358,129.12/537,135.29 = 105,350.49/x - Step 3: Cross multiply
358,129.12x = 537,135.29 × 105,350.49 - Step 4: Simplify right side
358,129.12x = 56,587,465,997.79 - Step 5: Solve for x
x = 56,587,465,997.79/358,129.12 - Step 6: Final answer
x = 158,008.56
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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.