Finding the Fourth Proportional to 292,064.63, 403,049.21 and 157,928.63
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Solution
The fourth proportional to 292,064.63, 403,049.21 and 157,928.63 is: 217,941.51
Step by Step Solution
- Step 1: Write the proportion equation
292,064.63 : 403,049.21 = 157,928.63 : x - Step 2: Convert to fraction form
292,064.63/403,049.21 = 157,928.63/x - Step 3: Cross multiply
292,064.63x = 403,049.21 × 157,928.63 - Step 4: Simplify right side
292,064.63x = 63,653,006,752.99 - Step 5: Solve for x
x = 63,653,006,752.99/292,064.63 - Step 6: Final answer
x = 217,941.51
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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.