Finding the Fourth Proportional to 312,045.58, 430,621.58 and 168,805.26
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Solution
The fourth proportional to 312,045.58, 430,621.58 and 168,805.26 is: 232,950.54
Step by Step Solution
- Step 1: Write the proportion equation
312,045.58 : 430,621.58 = 168,805.26 : x - Step 2: Convert to fraction form
312,045.58/430,621.58 = 168,805.26/x - Step 3: Cross multiply
312,045.58x = 430,621.58 × 168,805.26 - Step 4: Simplify right side
312,045.58x = 72,691,187,773.51 - Step 5: Solve for x
x = 72,691,187,773.51/312,045.58 - Step 6: Final answer
x = 232,950.54
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1.5x scale
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.