Finding the Fourth Proportional to 292,185.72, 438,417.35 and 202,366.65
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Solution
The fourth proportional to 292,185.72, 438,417.35 and 202,366.65 is: 303,646.08
Step by Step Solution
- Step 1: Write the proportion equation
292,185.72 : 438,417.35 = 202,366.65 : x - Step 2: Convert to fraction form
292,185.72/438,417.35 = 202,366.65/x - Step 3: Cross multiply
292,185.72x = 438,417.35 × 202,366.65 - Step 4: Simplify right side
292,185.72x = 88,721,049,409.54 - Step 5: Solve for x
x = 88,721,049,409.54/292,185.72 - Step 6: Final answer
x = 303,646.08
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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.