Finding the Fourth Proportional to 292,511.14, 438,766.68 and 70,895.14
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Solution
The fourth proportional to 292,511.14, 438,766.68 and 70,895.14 is: 106,342.70
Step by Step Solution
- Step 1: Write the proportion equation
292,511.14 : 438,766.68 = 70,895.14 : x - Step 2: Convert to fraction form
292,511.14/438,766.68 = 70,895.14/x - Step 3: Cross multiply
292,511.14x = 438,766.68 × 70,895.14 - Step 4: Simplify right side
292,511.14x = 31,106,425,205.94 - Step 5: Solve for x
x = 31,106,425,205.94/292,511.14 - Step 6: Final answer
x = 106,342.70
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1.5x scale
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.