Finding the Fourth Proportional to 292,214.80, 438,336.60 and 152,246.80
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Solution
The fourth proportional to 292,214.80, 438,336.60 and 152,246.80 is: 228,377.70
Step by Step Solution
- Step 1: Write the proportion equation
292,214.80 : 438,336.60 = 152,246.80 : x - Step 2: Convert to fraction form
292,214.80/438,336.60 = 152,246.80/x - Step 3: Cross multiply
292,214.80x = 438,336.60 × 152,246.80 - Step 4: Simplify right side
292,214.80x = 66,735,344,672.88 - Step 5: Solve for x
x = 66,735,344,672.88/292,214.80 - Step 6: Final answer
x = 228,377.70
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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.