Finding the Fourth Proportional to 358,070.65, 537,112.58 and 286,661.68
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Solution
The fourth proportional to 358,070.65, 537,112.58 and 286,661.68 is: 429,997.80
Step by Step Solution
- Step 1: Write the proportion equation
358,070.65 : 537,112.58 = 286,661.68 : x - Step 2: Convert to fraction form
358,070.65/537,112.58 = 286,661.68/x - Step 3: Cross multiply
358,070.65x = 537,112.58 × 286,661.68 - Step 4: Simplify right side
358,070.65x = 153,969,591,755.85 - Step 5: Solve for x
x = 153,969,591,755.85/358,070.65 - Step 6: Final answer
x = 429,997.80
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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.