Finding the Fourth Proportional to 358,445.66, 537,669.99 and 145,217.70
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Solution
The fourth proportional to 358,445.66, 537,669.99 and 145,217.70 is: 217,827.16
Step by Step Solution
- Step 1: Write the proportion equation
358,445.66 : 537,669.99 = 145,217.70 : x - Step 2: Convert to fraction form
358,445.66/537,669.99 = 145,217.70/x - Step 3: Cross multiply
358,445.66x = 537,669.99 × 145,217.70 - Step 4: Simplify right side
358,445.66x = 78,079,199,306.82 - Step 5: Solve for x
x = 78,079,199,306.82/358,445.66 - Step 6: Final answer
x = 217,827.16
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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.