Finding the Fourth Proportional to 212,130.52, 292,737.74 and 157,925.05
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Solution
The fourth proportional to 212,130.52, 292,737.74 and 157,925.05 is: 217,934.80
Step by Step Solution
- Step 1: Write the proportion equation
212,130.52 : 292,737.74 = 157,925.05 : x - Step 2: Convert to fraction form
212,130.52/292,737.74 = 157,925.05/x - Step 3: Cross multiply
212,130.52x = 292,737.74 × 157,925.05 - Step 4: Simplify right side
212,130.52x = 46,230,622,621.20 - Step 5: Solve for x
x = 46,230,622,621.20/212,130.52 - Step 6: Final answer
x = 217,934.80
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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.