Finding the Fourth Proportional to 357,476.88, 536,214.84 and 91,237.38
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Solution
The fourth proportional to 357,476.88, 536,214.84 and 91,237.38 is: 136,855.95
Step by Step Solution
- Step 1: Write the proportion equation
357,476.88 : 536,214.84 = 91,237.38 : x - Step 2: Convert to fraction form
357,476.88/536,214.84 = 91,237.38/x - Step 3: Cross multiply
357,476.88x = 536,214.84 × 91,237.38 - Step 4: Simplify right side
357,476.88x = 48,922,837,118.72 - Step 5: Solve for x
x = 48,922,837,118.72/357,476.88 - Step 6: Final answer
x = 136,855.95
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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.