Finding the Fourth Proportional to 342,312.82, 472,355.35 and 189,326.70
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Solution
The fourth proportional to 342,312.82, 472,355.35 and 189,326.70 is: 261,250.75
Step by Step Solution
- Step 1: Write the proportion equation
342,312.82 : 472,355.35 = 189,326.70 : x - Step 2: Convert to fraction form
342,312.82/472,355.35 = 189,326.70/x - Step 3: Cross multiply
342,312.82x = 472,355.35 × 189,326.70 - Step 4: Simplify right side
342,312.82x = 89,429,479,169.53 - Step 5: Solve for x
x = 89,429,479,169.53/342,312.82 - Step 6: Final answer
x = 261,250.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.