Finding the Fourth Proportional to 146,743.47, 202,506.80 and 79,675.47
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Solution
The fourth proportional to 146,743.47, 202,506.80 and 79,675.47 is: 109,952.59
Step by Step Solution
- Step 1: Write the proportion equation
146,743.47 : 202,506.80 = 79,675.47 : x - Step 2: Convert to fraction form
146,743.47/202,506.80 = 79,675.47/x - Step 3: Cross multiply
146,743.47x = 202,506.80 × 79,675.47 - Step 4: Simplify right side
146,743.47x = 16,134,824,069.82 - Step 5: Solve for x
x = 16,134,824,069.82/146,743.47 - Step 6: Final answer
x = 109,952.59
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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.